[2] | 1 | #!/bin/ksh |
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| 2 | |
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| 3 | #************************************************************** |
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| 4 | # Author: Sebastien Denvil |
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| 5 | # Contact: Sebastien.Denvil@ipsl.jussieu.fr |
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[4] | 6 | # $Date$ |
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[5] | 7 | # $Author$ |
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| 8 | # $Revision$ |
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[2] | 9 | # IPSL (2006) |
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| 10 | # This software is governed by the CeCILL licence see libIGCM/libIGCM_CeCILL.LIC |
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| 11 | # History: |
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| 12 | # Modification: |
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| 13 | # |
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| 14 | #************************************************************** |
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| 15 | |
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| 16 | #================================================== |
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| 17 | # The documentation of this file can be automatically generated |
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| 18 | # if you use the prefix #D- for comments to be extracted. |
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| 19 | # Extract with command: cat lib* | grep "^#D-" | cut -c "4-" |
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| 20 | #================================================== |
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| 21 | |
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| 22 | #D-#================================================================== |
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| 23 | #D-libIGCM_date |
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[108] | 24 | #D-This ksh library handles date calculs and convertions in different calendars. |
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[103] | 25 | #D- types of calendars are possible : |
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| 26 | #D- |
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| 27 | #D- - gregorian (other name leap) : |
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| 28 | #D- The normal calendar. The time origin for the |
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| 29 | #D- julian day in this case is 24 Nov -4713. |
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| 30 | #D- - noleap : |
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| 31 | #D- A 365 day year without leap years. |
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| 32 | #D- - all_leap : |
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| 33 | #D- A 366 day year with only leap years. |
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| 34 | #D- - 360d : |
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| 35 | #D- Year of 360 days with month of equal length. |
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[2] | 36 | |
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| 37 | # Number of digit in the year |
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| 38 | typeset -r dY=${dY:=4} |
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| 39 | #typeset -r MaxpY=$( echo "10^"$((dY+1)) | bc -l ) |
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| 40 | # Number of digit in non-human date representation |
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| 41 | typeset -r pY=$(( dY+4 )) |
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| 42 | |
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| 43 | #================================================================== |
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| 44 | function IGCM_date_YearDigit |
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| 45 | { |
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| 46 | IGCM_debug_PushStack "IGCM_date_YearDigit" $@ |
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| 47 | |
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| 48 | NUM=$(( 10#${1} )) |
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[109] | 49 | echo $( gawk "BEGIN { printf \"%0${dY}d\",${NUM} }" ) |
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[2] | 50 | |
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| 51 | IGCM_debug_PopStack "IGCM_date_YearDigit" |
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| 52 | } |
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| 53 | |
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| 54 | #================================================================== |
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| 55 | function IGCM_date_GregorianDigit |
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| 56 | { |
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| 57 | IGCM_debug_PushStack "IGCM_date_GregorianDigit" $@ |
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| 58 | |
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| 59 | NUM=$(( 10#${1} )) |
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[109] | 60 | echo $( gawk "BEGIN { printf \"%0${pY}d\",${NUM} }" ) |
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[2] | 61 | |
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| 62 | IGCM_debug_PopStack "IGCM_date_GregorianDigit" |
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| 63 | } |
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| 64 | |
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| 65 | #================================================================== |
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| 66 | function IGCM_date_HumanDigit |
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| 67 | { |
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| 68 | IGCM_debug_PushStack "IGCM_date_HumanDigit" $@ |
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| 69 | |
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| 70 | echo $( IGCM_date_GregorianDigit $( print ${1} | sed 's/-//g' ) ) \ |
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| 71 | | sed -e "s/\([0-9]\{${dY}\}\)\([0-9]\{2\}\)\([0-9]\{2\}\)/\1-\2-\3/" |
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| 72 | |
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| 73 | IGCM_debug_PopStack "IGCM_date_HumanDigit" |
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| 74 | } |
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| 75 | |
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| 76 | #================================================================== |
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[283] | 77 | function IGCM_date_SupressZeros |
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| 78 | { |
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| 79 | IGCM_debug_PushStack "IGCM_date_SupressZeros" $@ |
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| 80 | echo $( print ${1} | sed -e "s/0*//" ) |
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| 81 | IGCM_debug_PopStack "IGCM_date_SupressZeros" |
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| 82 | } |
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| 83 | |
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| 84 | #================================================================== |
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[2] | 85 | function IGCM_date_ConvertFormatToGregorian |
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| 86 | { |
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| 87 | IGCM_debug_PushStack "IGCM_date_ConvertFormatToGregorian" $@ |
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| 88 | |
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| 89 | # from a yyyy-mm-dd date format return |
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| 90 | # a yyymmdd date format |
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| 91 | # usage IGCM_date_ConvertFormat yyyy-mm-dd |
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| 92 | |
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| 93 | # if there is no argument on the command line, |
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| 94 | # then assume that a y-m-d formated date is being |
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| 95 | # piped in |
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| 96 | typeset ymd |
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| 97 | if [ $# = 0 ] |
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| 98 | then |
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| 99 | read ymd |
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| 100 | else |
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| 101 | ymd=$1 |
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| 102 | fi |
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| 103 | |
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| 104 | IGCM_date_GregorianDigit $( print ${ymd} | sed 's/-//g' ) |
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| 105 | |
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| 106 | IGCM_debug_PopStack "IGCM_date_ConvertFormatToGregorian" |
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| 107 | } |
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| 108 | |
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| 109 | #================================================================== |
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| 110 | function IGCM_date_ConvertFormatToHuman |
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| 111 | { |
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| 112 | IGCM_debug_PushStack "IGCM_date_ConvertFormatToHuman" $@ |
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| 113 | |
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| 114 | # from a yyyymmdd date format return |
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| 115 | # a yyyy-mm-dd date format |
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| 116 | # usage IGCM_date_ConvertFormat yyyymmdd |
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| 117 | |
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| 118 | # if there is no argument on the command line, |
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| 119 | # then assume that a yyyymmdd formated date is being |
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| 120 | # piped in |
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| 121 | typeset dt |
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| 122 | if [ $# = 0 ] |
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| 123 | then |
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| 124 | read dt |
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| 125 | else |
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| 126 | dt=$1 |
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| 127 | fi |
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| 128 | |
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| 129 | # break the yyyymmdd into separate parts for year, month and day |
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| 130 | echo $( IGCM_date_GregorianDigit ${dt} ) \ |
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| 131 | | sed -e "s/\([0-9]\{${dY}\}\)\([0-9]\{2\}\)\([0-9]\{2\}\)/\1-\2-\3/" |
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| 132 | |
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| 133 | IGCM_debug_PopStack "IGCM_date_ConvertFormatToHuman" |
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| 134 | } |
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| 135 | |
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| 136 | #================================================================== |
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| 137 | function IGCM_date_GetYearMonth |
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| 138 | { |
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| 139 | IGCM_debug_PushStack "IGCM_date_GetYearMonth" $@ |
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| 140 | |
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| 141 | # from a yyyymmdd date format return |
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| 142 | # a yyyy year and mm month |
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| 143 | # usage IGCM_date_GetYearMonth yyyymmdd year_var month_var |
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| 144 | |
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| 145 | # if there is no argument on the command line, |
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| 146 | # then assume that a yyyymmdd formated date is being |
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| 147 | # piped in |
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| 148 | typeset dt |
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| 149 | if [ $# = 0 ] |
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| 150 | then |
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| 151 | read dt |
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| 152 | else |
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| 153 | dt=$1 |
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| 154 | fi |
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| 155 | |
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| 156 | # break the yyyymmdd into separate parts for year, month and day |
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| 157 | eval $2=$( echo $( IGCM_date_GregorianDigit ${dt} ) \ |
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| 158 | | sed -e "s/\([0-9]\{${dY}\}\)\([0-9]\{2\}\)\([0-9]\{2\}\)/\1/" ) |
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| 159 | eval $3=$( echo $( IGCM_date_GregorianDigit ${dt} ) \ |
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| 160 | | sed -e "s/\([0-9]\{${dY}\}\)\([0-9]\{2\}\)\([0-9]\{2\}\)/\2/" ) |
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| 161 | |
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| 162 | IGCM_debug_PopStack "IGCM_date_GetYearMonth" |
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| 163 | } |
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| 164 | |
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| 165 | #D-#================================================================== |
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| 166 | #D-function IGCM_date_DaysInYear |
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| 167 | #D-* Purpose: Return the number of days in a year |
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| 168 | #D-* Usage: IGCM_date_DaysInYear yyyy |
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| 169 | #D- if there is no argument on the command line, |
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| 170 | #D- then assume that a yyyy is being piped in |
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| 171 | #D- |
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| 172 | function IGCM_date_DaysInYear |
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| 173 | { |
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[23] | 174 | # IGCM_debug_PushStack "IGCM_date_DaysInYear" $@ |
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[2] | 175 | # return the number of days in a year |
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| 176 | # usage IGCM_date_DaysInYear yyyy |
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| 177 | |
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| 178 | # What is the calendar : |
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[103] | 179 | case ${config_UserChoices_CalendarType} in |
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| 180 | 360d) |
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| 181 | if [ X$2 = X ] ; then |
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| 182 | echo 360 |
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| 183 | else |
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| 184 | eval $2=360 > /dev/null 2>&1 |
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| 185 | fi |
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[23] | 186 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[103] | 187 | return;; |
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| 188 | noleap) |
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[23] | 189 | if [ X$2 = X ] ; then |
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| 190 | echo 365 |
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| 191 | else |
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| 192 | eval $2=365 > /dev/null 2>&1 |
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| 193 | fi |
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| 194 | |
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| 195 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[103] | 196 | return;; |
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| 197 | all_leap) |
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| 198 | if [ X$2 = X ] ; then |
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| 199 | echo 366 |
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| 200 | else |
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| 201 | eval $2=366 > /dev/null 2>&1 |
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| 202 | fi |
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[2] | 203 | |
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[103] | 204 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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| 205 | return;; |
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| 206 | esac |
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| 207 | |
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[23] | 208 | typeset y a |
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| 209 | |
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[2] | 210 | # if there is no argument on the command line, |
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| 211 | # then assume that a yyyy is being piped in |
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| 212 | if [ $# = 0 ] |
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| 213 | then |
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| 214 | read y |
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| 215 | else |
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| 216 | y=$(( 10#${1} )) |
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| 217 | fi |
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| 218 | |
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| 219 | # a year is a leap year if it is even divisible by 4 |
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| 220 | # but not evenly divisible by 100 |
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| 221 | # unless it is evenly divisible by 400 |
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| 222 | |
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| 223 | # if it is evenly divisible by 400 it must be a leap year |
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[23] | 224 | a=$(( $y % 400 )) |
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[2] | 225 | if [ $a = 0 ] |
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| 226 | then |
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[23] | 227 | if [ X$2 = X ] ; then |
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| 228 | echo 366 |
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| 229 | else |
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| 230 | eval $2=366 > /dev/null 2>&1 |
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| 231 | fi |
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| 232 | |
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| 233 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[2] | 234 | return |
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| 235 | fi |
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| 236 | |
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| 237 | #if it is evenly divisible by 100 it must not be a leap year |
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[23] | 238 | a=$(( $y % 100 )) |
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[2] | 239 | if [ $a = 0 ] |
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| 240 | then |
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[23] | 241 | if [ X$2 = X ] ; then |
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| 242 | echo 365 |
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| 243 | else |
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| 244 | eval $2=365 > /dev/null 2>&1 |
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| 245 | fi |
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| 246 | |
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| 247 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[2] | 248 | return |
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| 249 | fi |
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| 250 | |
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| 251 | # if it is evenly divisible by 4 it must be a leap year |
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[23] | 252 | a=$(( $y % 4 )) |
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[2] | 253 | if [ $a = 0 ] |
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| 254 | then |
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[23] | 255 | if [ X$2 = X ] ; then |
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| 256 | echo 366 |
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| 257 | else |
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| 258 | eval $2=366 > /dev/null 2>&1 |
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| 259 | fi |
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| 260 | |
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| 261 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[2] | 262 | return |
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| 263 | fi |
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| 264 | |
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| 265 | # otherwise it is not a leap year |
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[23] | 266 | if [ X$2 = X ] ; then |
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| 267 | echo 365 |
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| 268 | else |
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| 269 | eval $2=365 > /dev/null 2>&1 |
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| 270 | fi |
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[2] | 271 | |
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[23] | 272 | # IGCM_debug_PopStack "IGCM_date_DaysInYear" |
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[2] | 273 | } |
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| 274 | |
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| 275 | #D-#================================================================== |
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| 276 | #D-function IGCM_date_DaysInMonth |
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[7] | 277 | #D-* Purpose: Calculate the number of days in a month |
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[2] | 278 | #D-* Usage: IGCM_date_DaysInMonth yyyy mm |
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| 279 | #D- or IGCM_date_DaysInMonth yyyymmdd |
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| 280 | #D- if there are no command line arguments then |
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| 281 | #D- assume that a yyyymmdd is being piped in and read the value. |
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| 282 | #D- if there is only one argument assume it is a yyyymmdd on the command line |
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| 283 | #D- other wise it is a yyyy and mm on the command line |
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| 284 | function IGCM_date_DaysInMonth |
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| 285 | { |
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[23] | 286 | # IGCM_debug_PushStack "IGCM_date_DaysInMonth" $@ |
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[2] | 287 | |
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| 288 | # calculates the number of days in a month |
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| 289 | # usage IGCM_date_DaysInMonth yyyy mm |
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| 290 | # or IGCM_date_DaysInMonth yyyymmdd |
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[23] | 291 | |
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[2] | 292 | # What is the calendar : |
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| 293 | if [ "${config_UserChoices_CalendarType}" = "360d" ] ; then |
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[23] | 294 | if [ X$3 = X ] ; then |
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| 295 | echo 30 |
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| 296 | else |
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| 297 | eval $3=30 > /dev/null 2>&1 |
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| 298 | fi |
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| 299 | |
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| 300 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 301 | return |
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| 302 | fi |
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| 303 | |
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[54] | 304 | typeset ymd y m |
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[23] | 305 | |
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[2] | 306 | # if there are no command line arguments then assume that a yyyymmdd is being |
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| 307 | # piped in and read the value. |
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| 308 | # if there is only one argument assume it is a yyyymmdd on the command line |
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| 309 | # other wise it is a yyyy and mm on the command line |
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| 310 | if [ $# = 0 ] |
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| 311 | then |
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| 312 | read ymd |
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| 313 | elif [ $# = 1 ] |
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| 314 | then |
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| 315 | ymd=$1 |
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| 316 | else |
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[23] | 317 | ymd=$(( ( $1 * 10000 ) + ( $2 * 100 ) + 1 )) |
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[2] | 318 | fi |
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| 319 | |
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| 320 | # extract the year and the month |
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[23] | 321 | y=$(( $ymd / 10000 )) ; |
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| 322 | m=$(( ( $ymd % 10000 ) / 100 )) ; |
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[2] | 323 | |
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| 324 | # 30 days hath september etc. |
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| 325 | case $m in |
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| 326 | 1|3|5|7|8|10|12) |
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[23] | 327 | if [ X$3 = X ] ; then |
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| 328 | echo 31 |
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| 329 | else |
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| 330 | eval $3=31 > /dev/null 2>&1 |
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| 331 | fi |
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| 332 | |
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| 333 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 334 | return ;; |
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| 335 | 4|6|9|11) |
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[23] | 336 | if [ X$3 = X ] ; then |
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| 337 | echo 30 |
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| 338 | else |
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| 339 | eval $3=30 > /dev/null 2>&1 |
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| 340 | fi |
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| 341 | |
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| 342 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 343 | return ;; |
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| 344 | *) ;; |
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| 345 | esac |
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| 346 | |
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| 347 | # except for month 2 which depends on whether the year is a leap year |
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| 348 | # Use IGCM_date_DaysInYear to get the number of days in the year and return a value |
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| 349 | # accordingly. |
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[23] | 350 | IGCM_date_DaysInYear $y diy |
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[2] | 351 | case $diy in |
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| 352 | 365) |
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[23] | 353 | if [ X$3 = X ] ; then |
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| 354 | echo 28 |
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| 355 | else |
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| 356 | eval $3=28 > /dev/null 2>&1 |
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| 357 | fi |
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| 358 | |
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| 359 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 360 | return ;; |
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| 361 | 366) |
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[23] | 362 | if [ X$3 = X ] ; then |
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| 363 | echo 29 |
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| 364 | else |
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| 365 | eval $3=29 > /dev/null 2>&1 |
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| 366 | fi |
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| 367 | |
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| 368 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 369 | return ;; |
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| 370 | esac |
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| 371 | |
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[23] | 372 | # IGCM_debug_PopStack "IGCM_date_DaysInMonth" |
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[2] | 373 | } |
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| 374 | |
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| 375 | #D-#================================================================== |
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| 376 | #D-function IGCM_date_ConvertGregorianDateToJulian |
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| 377 | #D-* Purpose: Convert yyyymmdd to yyyyddd |
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| 378 | #D-* Usage: IGCM_date_ConvertGregorianDateToJulian 19980429 |
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| 379 | #D- if there is no command line argument, then assume that the date |
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| 380 | #D- is coming in on a pipe and use read to collect it |
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| 381 | #D- |
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| 382 | function IGCM_date_ConvertGregorianDateToJulian |
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| 383 | { |
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| 384 | IGCM_debug_PushStack "IGCM_date_ConvertGregorianDateToJulian" $@ |
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| 385 | |
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| 386 | # IGCM_date_ConvertGregorianDateToJulian converts yyyymmdd to yyyyddd |
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| 387 | # usage IGCM_date_ConvertGregorianDateToJulian 19980429 |
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| 388 | |
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[23] | 389 | typeset dt y m d x jul |
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| 390 | |
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[2] | 391 | # if there is no command line argument, then assume that the date |
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| 392 | # is coming in on a pipe and use read to collect it |
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| 393 | if [ $# = 0 ] |
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| 394 | then |
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| 395 | read dt |
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| 396 | else |
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[283] | 397 | dt=$( IGCM_date_SupressZeros $1 ) |
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[2] | 398 | fi |
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| 399 | |
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| 400 | # break the yyyymmdd into separate parts for year, month and day |
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[23] | 401 | y=$(( $dt / 10000 )) |
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| 402 | m=$(( ( $dt % 10000 ) / 100 )) |
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| 403 | d=$(( ( $dt % 100 ) )) |
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[2] | 404 | |
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| 405 | # add the days in each month up to (but not including the month itself) |
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| 406 | # into the days. For example if the date is 19980203 then extract the |
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| 407 | # number of days in January and add it to 03. If the date is June 14, 1998 |
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| 408 | # then extract the number of days in January, February, March, April and May |
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| 409 | # and add them to 14. |
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| 410 | x=1 |
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[23] | 411 | while [ $x -lt $m ] |
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[2] | 412 | do |
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[23] | 413 | IGCM_date_DaysInMonth $y $x md |
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| 414 | d=$(( $d + $md )) |
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| 415 | x=$(( $x + 1 )) |
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[2] | 416 | done |
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| 417 | |
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| 418 | # combine the year and day back together again and you have the julian date. |
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[23] | 419 | jul=$(( ( $y * 1000 ) + $d )) |
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[2] | 420 | echo $jul |
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| 421 | |
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| 422 | IGCM_debug_PopStack "IGCM_date_ConvertGregorianDateToJulian" |
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| 423 | } |
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| 424 | |
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| 425 | #D-#================================================================== |
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| 426 | #D-function IGCM_date_ConvertJulianDateToGregorian() |
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| 427 | #D-* Purpose: Convert yyyyddd to yyyymmdd |
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| 428 | #D-* Usage: IGCM_date_ConvertJulianDateToGregorian 1998213 |
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| 429 | #D- if there is no command line argument, assume one is being |
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| 430 | #D- piped in and read it |
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| 431 | #D- |
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| 432 | function IGCM_date_ConvertJulianDateToGregorian |
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| 433 | { |
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| 434 | IGCM_debug_PushStack "IGCM_date_ConvertJulianDateToGregorian" $@ |
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| 435 | |
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| 436 | # IGCM_date_ConvertJulianDateToGregorian converts yyyyddd to yyyymmdd |
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| 437 | # usage IGCM_date_ConvertJulianDateToGregorian 1998213 |
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| 438 | |
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[54] | 439 | typeset dt y m d grg |
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[23] | 440 | |
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[2] | 441 | # if there is no command line argument, assume one is being |
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| 442 | # piped in and read it |
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| 443 | if [ X$1 = X ] |
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| 444 | then |
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| 445 | read dt |
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| 446 | else |
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| 447 | dt=$1 |
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| 448 | fi |
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| 449 | |
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| 450 | # break apart the year and the days |
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[23] | 451 | y=$(( $dt / 1000 )) |
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| 452 | d=$(( $dt % 1000 )) |
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[2] | 453 | |
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| 454 | # subtract the number of days in each month starting from 1 |
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| 455 | # from the days in the date. When the day goes below 1, you |
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| 456 | # have the current month. Add back the number of days in the |
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| 457 | # month to get the correct day of the month |
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| 458 | m=1 |
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[23] | 459 | while [ $d -gt 0 ] |
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[2] | 460 | do |
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[23] | 461 | IGCM_date_DaysInMonth $y $m md |
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| 462 | d=$(( $d - $md )) |
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| 463 | m=$(( $m + 1 )) |
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[2] | 464 | done |
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| 465 | |
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[23] | 466 | d=$(( $d + $md )) |
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[2] | 467 | |
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| 468 | # the loop steps one past the correct month, so back up the month |
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[23] | 469 | m=$(( $m - 1 )) |
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[2] | 470 | |
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| 471 | # assemble the results into a gregorian date |
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[23] | 472 | grg=$(( ( $y * 10000 ) + ( $m * 100 ) + $d )) |
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[2] | 473 | echo $( IGCM_date_GregorianDigit $grg ) |
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| 474 | |
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| 475 | IGCM_debug_PopStack "IGCM_date_ConvertJulianDateToGregorian" |
---|
| 476 | } |
---|
| 477 | |
---|
| 478 | #D-#================================================================== |
---|
| 479 | #D-function IGCM_date_AddDaysToJulianDate |
---|
| 480 | #D-* Purpose: Add days to a yyyyddd formatted date |
---|
| 481 | #D-* Usage: IGCM_date_AddDaysToJulianDate 1998312 { ,-}14 |
---|
[148] | 482 | #D- Read the difference from the command lines |
---|
[2] | 483 | #D- and the date from the command line, or standard input |
---|
| 484 | #D- |
---|
| 485 | function IGCM_date_AddDaysToJulianDate |
---|
| 486 | { |
---|
| 487 | IGCM_debug_PushStack "IGCM_date_AddDaysToJulianDate" $@ |
---|
| 488 | |
---|
| 489 | # IGCM_date_AddDaysToJulianDate adds days to a yyyyddd formatted date |
---|
| 490 | # usage IGCM_date_AddDaysToJulianDate 1998312 { ,-}14 |
---|
| 491 | |
---|
[54] | 492 | typeset dif yd d y |
---|
[23] | 493 | |
---|
[2] | 494 | # Read the difference from the command lines |
---|
| 495 | # and the date from the command line, or standard input |
---|
| 496 | if [ X$2 = X ] |
---|
| 497 | then |
---|
| 498 | dif=$1 |
---|
| 499 | read yd |
---|
| 500 | else |
---|
| 501 | yd=$1 |
---|
| 502 | dif=$2 |
---|
| 503 | fi |
---|
| 504 | |
---|
| 505 | # Break it into pieces |
---|
[23] | 506 | d=$(( $yd % 1000 )) |
---|
| 507 | y=$(( $yd / 1000 )) |
---|
[2] | 508 | |
---|
| 509 | # Add the number of days (if days is negative this results is |
---|
| 510 | # a subtraction) |
---|
[23] | 511 | d=$(( $d + $dif )) |
---|
[2] | 512 | |
---|
| 513 | # Extract the days in the year |
---|
[23] | 514 | IGCM_date_DaysInYear $y diy |
---|
[2] | 515 | |
---|
| 516 | # If the calculated day exceeds the days in the year, |
---|
| 517 | # add one year to the year and subtract the days in the year from the |
---|
| 518 | # calculated days. Extract the days in the new year and repeat |
---|
| 519 | # test until you end up with a day number that falls within the |
---|
| 520 | # days of the year |
---|
[23] | 521 | while [ $d -gt $diy ] |
---|
[2] | 522 | do |
---|
[23] | 523 | d=$(( $d - $diy )) |
---|
| 524 | y=$(( $y + 1 )) |
---|
| 525 | IGCM_date_DaysInYear $y diy |
---|
[2] | 526 | done |
---|
| 527 | |
---|
| 528 | # This is the reverse process. If the calculated number of days |
---|
| 529 | # is less than 1, move back one year. Extract |
---|
| 530 | # the days in this year and add the days in the year |
---|
| 531 | # loop on this test until you end up with a number that |
---|
| 532 | # falls within the days of the year |
---|
[23] | 533 | while [ $d -lt 1 ] |
---|
[2] | 534 | do |
---|
[23] | 535 | y=$(( $y - 1 )) |
---|
| 536 | IGCM_date_DaysInYear $y diy |
---|
| 537 | d=$(( $d + $diy )) |
---|
[2] | 538 | done |
---|
| 539 | |
---|
| 540 | # put the year and day back together and echo the result |
---|
[23] | 541 | yd=$(( ( $y * 1000 ) + $d )) |
---|
[2] | 542 | |
---|
| 543 | echo $yd |
---|
| 544 | |
---|
| 545 | IGCM_debug_PopStack "IGCM_date_AddDaysToJulianDate" |
---|
| 546 | } |
---|
| 547 | |
---|
| 548 | #D-#================================================================== |
---|
| 549 | #D-function IGCM_date_AddDaysToGregorianDate |
---|
| 550 | #D-* Purpose: Add days to a yyyymmdd formatted date |
---|
| 551 | #D-* Usage: IGCM_date_AddDaysToGregorianDate 19980312 { ,-}14 |
---|
[148] | 552 | #D- Read the difference from the command lines |
---|
[2] | 553 | #D- and the date from the command line, or standard input |
---|
| 554 | #D- |
---|
| 555 | function IGCM_date_AddDaysToGregorianDate |
---|
| 556 | { |
---|
| 557 | IGCM_debug_PushStack "IGCM_date_AddDaysToGregorianDate" $@ |
---|
| 558 | |
---|
| 559 | # IGCM_date_AddDaysToGregorianDate adds days to a yyyymmdd formatted date |
---|
| 560 | # usage IGCM_date_AddDaysToGregorianDate 19980312 { ,-}14 |
---|
| 561 | |
---|
| 562 | # Read the difference from the command lines |
---|
| 563 | # and the date from the command line, or standard input |
---|
| 564 | typeset dif yd tmp res |
---|
| 565 | if [ X$2 = X ] |
---|
| 566 | then |
---|
| 567 | dif=$1 |
---|
| 568 | read yd |
---|
| 569 | else |
---|
| 570 | yd=$1 |
---|
| 571 | dif=$2 |
---|
| 572 | fi |
---|
| 573 | |
---|
| 574 | tmp=$( IGCM_date_ConvertGregorianDateToJulian $yd ) |
---|
| 575 | tmp=$( IGCM_date_AddDaysToJulianDate $tmp $dif ) |
---|
| 576 | res=$( IGCM_date_ConvertJulianDateToGregorian $tmp ) |
---|
| 577 | |
---|
| 578 | echo $res |
---|
| 579 | |
---|
| 580 | IGCM_debug_PopStack "IGCM_date_AddDaysToGregorianDate" |
---|
| 581 | } |
---|
| 582 | |
---|
| 583 | #D-#================================================================== |
---|
| 584 | #D-function IGCM_date_DaysBetweenJulianDate |
---|
[7] | 585 | #D-* Purpose: Calculate the days difference between two dates and reports |
---|
[2] | 586 | #D- the number days as jul1 - jul2 |
---|
| 587 | #D-* Usage: IGCM_date_DaysBetweenJulianDate jul1 jul2 |
---|
| 588 | #D- where julian date is in the form yyyyddd |
---|
| 589 | #D- |
---|
| 590 | function IGCM_date_DaysBetweenJulianDate |
---|
| 591 | { |
---|
| 592 | IGCM_debug_PushStack "IGCM_date_DaysBetweenJulianDate" $@ |
---|
| 593 | |
---|
| 594 | # calculates the days difference between two dates and reports |
---|
| 595 | # the number days as jul1 - jul2 |
---|
| 596 | # usage IGCM_date_DaysBetweenJulianDate jul1 jul2 |
---|
| 597 | # where julian date is in the form yyyyddd |
---|
| 598 | |
---|
| 599 | usage () { |
---|
| 600 | echo "Usage:" |
---|
| 601 | echo " IGCM_date_DaysBetweenJulianDate jul1 jul2" |
---|
| 602 | echo "" |
---|
| 603 | echo " Calculates the day difference between" |
---|
| 604 | echo " two julian dates (jul1 -jul2)" |
---|
| 605 | echo " where a julian date is in the form of yyyyddd." |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | if [ $# -lt 2 ]; then |
---|
| 609 | usage |
---|
| 610 | IGCM_debug_Exit "IGCM_date_DaysBetweenJulianDate" |
---|
| 611 | fi |
---|
| 612 | |
---|
| 613 | # This process subtracts arg2 from arg1. If arg2 is larger |
---|
| 614 | # then reverse the arguments. The calculations are done, and |
---|
| 615 | # then the sign is reversed |
---|
| 616 | if [ $1 -lt $2 ] |
---|
| 617 | then |
---|
| 618 | jul1=$2 |
---|
| 619 | jul2=$1 |
---|
| 620 | elif [ $1 -gt $2 ] |
---|
| 621 | then |
---|
| 622 | jul1=$1 |
---|
| 623 | jul2=$2 |
---|
| 624 | else |
---|
| 625 | echo 0 |
---|
| 626 | IGCM_debug_PopStack "IGCM_date_DaysBetweenJulianDate" |
---|
| 627 | return |
---|
| 628 | fi |
---|
| 629 | |
---|
| 630 | # Break the dates in to year and day portions |
---|
[23] | 631 | yyyy1=$(( $jul1 / 1000 )) |
---|
| 632 | yyyy2=$(( $jul2 / 1000 )) |
---|
| 633 | ddd1=$(( $jul1 % 1000 )) |
---|
| 634 | ddd2=$(( $jul2 % 1000 )) |
---|
[2] | 635 | |
---|
| 636 | # Subtract days |
---|
[23] | 637 | res=$(( $ddd1 - $ddd2 )) |
---|
[2] | 638 | |
---|
| 639 | # Then add days in year until year2 matches year1 |
---|
| 640 | |
---|
| 641 | if [ "${config_UserChoices_CalendarType}" = "360d" ] ; then |
---|
[23] | 642 | res=$(( ( ( $yyyy1 - $yyyy2 ) * 360 ) + $res )) |
---|
[2] | 643 | elif [ "${config_UserChoices_CalendarType}" = "noleap" ] ; then |
---|
[23] | 644 | res=$(( ( ( $yyyy1 - $yyyy2 ) * 365 ) + $res )) |
---|
[103] | 645 | elif [ "${config_UserChoices_CalendarType}" = "all_leap" ] ; then |
---|
| 646 | res=$(( ( ( $yyyy1 - $yyyy2 ) * 366 ) + $res )) |
---|
[2] | 647 | elif ( [ "${config_UserChoices_CalendarType}" = "leap" ] || [ "${config_UserChoices_CalendarType}" = "gregorian" ] ) ; then |
---|
| 648 | while [ $yyyy2 -lt $yyyy1 ] |
---|
| 649 | do |
---|
[23] | 650 | IGCM_date_DaysInYear $yyyy2 diy |
---|
| 651 | res=$(( $res + $diy )) |
---|
| 652 | yyyy2=$(( $yyyy2 + 1 )) |
---|
[2] | 653 | done |
---|
| 654 | fi |
---|
| 655 | |
---|
| 656 | # if argument 2 was larger than argument 1 then |
---|
| 657 | # the arguments were reversed before calculating |
---|
| 658 | # adjust by reversing the sign |
---|
| 659 | if [ $1 -lt $2 ] |
---|
| 660 | then |
---|
[23] | 661 | res=$(( $res * -1 )) |
---|
[2] | 662 | fi |
---|
| 663 | |
---|
| 664 | # and output the results |
---|
| 665 | echo $res |
---|
| 666 | |
---|
| 667 | IGCM_debug_PopStack "IGCM_date_DaysBetweenJulianDate" |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | #D-#================================================================== |
---|
| 671 | #D-function IGCM_date_DaysBetweenGregorianDate () |
---|
[7] | 672 | #D-* Purpose: Calculate the days difference between two dates and reports |
---|
[2] | 673 | #D- the number days as grg1 - grg2 |
---|
| 674 | #D-* Usage: IGCM_date_DaysBetweenGregorianDate grg1 grg2 |
---|
| 675 | #D- where gregorian date is in the form yyyymmdd |
---|
| 676 | #D- |
---|
| 677 | function IGCM_date_DaysBetweenGregorianDate |
---|
| 678 | { |
---|
| 679 | IGCM_debug_PushStack "IGCM_date_DaysBetweenGregorianDate" $@ |
---|
| 680 | |
---|
| 681 | # calculates the days difference between two dates and reports |
---|
| 682 | # the number days as grg1 - grg2 |
---|
| 683 | # usage IGCM_date_DaysBetweenGregorianDate grg1 grg2 |
---|
| 684 | # where gregorian date is in the form yyyymmdd |
---|
| 685 | |
---|
| 686 | usage () { |
---|
| 687 | echo "Usage:" |
---|
| 688 | echo " IGCM_date_DaysBetweenGregorianDate grg1 grg2" |
---|
| 689 | echo "" |
---|
| 690 | echo " Calculate day difference between" |
---|
| 691 | echo " two gregorian dates (grg1 - grg2)" |
---|
| 692 | echo " where a gregorian date is in the form of yyyymmdd." |
---|
| 693 | } |
---|
| 694 | |
---|
| 695 | if [ $# -lt 2 ]; then |
---|
| 696 | usage |
---|
| 697 | IGCM_debug_Exit "IGCM_date_DaysBetweenGregorianDate" |
---|
| 698 | fi |
---|
| 699 | |
---|
| 700 | # convert each date to julian |
---|
| 701 | grg1=$1 |
---|
| 702 | grg2=$2 |
---|
| 703 | |
---|
| 704 | jul1=$( IGCM_date_ConvertGregorianDateToJulian $grg1 ) |
---|
| 705 | jul2=$( IGCM_date_ConvertGregorianDateToJulian $grg2 ) |
---|
| 706 | |
---|
| 707 | if [ $jul1 -ne $jul2 ]; then |
---|
| 708 | # calculate the answer using IGCM_date_DaysBetweenJulianDate |
---|
| 709 | res=$( IGCM_date_DaysBetweenJulianDate $jul1 $jul2 ) |
---|
| 710 | # and output the results |
---|
| 711 | echo $res |
---|
| 712 | else |
---|
| 713 | echo 0 |
---|
| 714 | fi |
---|
| 715 | |
---|
| 716 | IGCM_debug_PopStack "IGCM_date_DaysBetweenGregorianDate" |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | #D-#================================================================== |
---|
| 720 | #D-function IGCM_date_DaysSinceJC () |
---|
| 721 | #D-* Purpose: Calculate the days difference between a date and 00010101 |
---|
| 722 | #D-* Usage: IGCM_date_DaysSinceJC grg1 |
---|
| 723 | #D- where gregorian date is in the form yyyymmdd |
---|
| 724 | #D- |
---|
| 725 | function IGCM_date_DaysSinceJC |
---|
| 726 | { |
---|
| 727 | IGCM_debug_PushStack "IGCM_date_DaysSinceJC" $@ |
---|
| 728 | |
---|
| 729 | # calculates the days difference between a date and 00010101 |
---|
| 730 | # usage IGCM_date_DaysSinceJC grg1 |
---|
| 731 | # where gregorian date is in the form yyyymmdd |
---|
| 732 | |
---|
| 733 | usage () { |
---|
| 734 | echo "Usage:" |
---|
| 735 | echo " IGCM_date_DaysSinceJC grg1" |
---|
| 736 | echo "" |
---|
| 737 | echo " Calculate day difference between" |
---|
| 738 | echo " a gregorian date and 00010101" |
---|
| 739 | echo " where a gregorian date is in the form of yyyymmdd." |
---|
| 740 | } |
---|
| 741 | |
---|
| 742 | if [ $# -lt 1 ]; then |
---|
| 743 | usage |
---|
| 744 | IGCM_debug_Exit "IGCM_date_DaysSinceJC" |
---|
| 745 | fi |
---|
| 746 | |
---|
| 747 | typeset aux num |
---|
| 748 | |
---|
| 749 | if [ ${1} -lt 5000000 ]; then |
---|
| 750 | case ${config_UserChoices_CalendarType} in |
---|
| 751 | 360d) |
---|
| 752 | aux=-360;; |
---|
| 753 | noleap) |
---|
| 754 | aux=-365;; |
---|
[103] | 755 | all_leap) |
---|
[2] | 756 | aux=-366;; |
---|
[103] | 757 | leap|gregorian) |
---|
| 758 | aux=-366;; |
---|
[2] | 759 | esac |
---|
| 760 | num=101 |
---|
| 761 | elif [ ${1} -lt 15000000 ]; then |
---|
| 762 | # To save CPU type we use auxiliary value |
---|
| 763 | # which is number of days since JC and 10000101 |
---|
| 764 | case ${config_UserChoices_CalendarType} in |
---|
| 765 | 360d) |
---|
| 766 | aux=359640;; |
---|
| 767 | noleap) |
---|
| 768 | aux=364635;; |
---|
[103] | 769 | all_leap) |
---|
| 770 | aux=365634;; |
---|
| 771 | leap|gregorian) |
---|
[2] | 772 | aux=364877;; |
---|
| 773 | esac |
---|
| 774 | num=10000101 |
---|
| 775 | else |
---|
| 776 | # To save CPU type we use auxiliary value |
---|
| 777 | # which is number of days since JC and 19000101 |
---|
| 778 | case ${config_UserChoices_CalendarType} in |
---|
| 779 | 360d) |
---|
| 780 | aux=683640;; |
---|
| 781 | noleap) |
---|
| 782 | aux=693135;; |
---|
[103] | 783 | all_leap) |
---|
| 784 | aux=695034;; |
---|
| 785 | leap|gregorian) |
---|
[2] | 786 | aux=693595;; |
---|
| 787 | esac |
---|
| 788 | num=19000101 |
---|
| 789 | fi |
---|
[23] | 790 | echo $(( $( IGCM_date_DaysBetweenGregorianDate $1 ${num} ) + $aux )) |
---|
[2] | 791 | |
---|
| 792 | IGCM_debug_PopStack "IGCM_date_DaysSinceJC" |
---|
| 793 | } |
---|
| 794 | |
---|
| 795 | #D-#================================================================== |
---|
| 796 | #D-function IGCM_date_Check |
---|
| 797 | #D- * Purpose: Check the present file by comparison with a reference file |
---|
| 798 | function IGCM_date_Check |
---|
| 799 | { |
---|
| 800 | IGCM_debug_PushStack "IGCM_date_Check" |
---|
| 801 | |
---|
| 802 | #--------------------- |
---|
| 803 | if [ ! -n "${libIGCM}" ] ; then |
---|
| 804 | echo "Check libIGCM_date ...........................................[ FAILED ]" |
---|
| 805 | echo "--Error--> libIGCM variable is not defined" |
---|
| 806 | IGCM_debug_Exit "IGCM_date_Check" |
---|
| 807 | fi |
---|
| 808 | |
---|
| 809 | #--------------------- |
---|
[109] | 810 | whence -v gawk > /dev/null 2>&1 |
---|
[2] | 811 | if [ ! $? -eq 0 ] ; then |
---|
| 812 | echo "Check libIGCM_date ...........................................[ FAILED ]" |
---|
[109] | 813 | echo "--Error--> gawk command is not defined" |
---|
[2] | 814 | IGCM_debug_Exit "IGCM_date_Check" |
---|
| 815 | fi |
---|
| 816 | |
---|
| 817 | #--------------------- |
---|
| 818 | ${libIGCM}/libIGCM_date/IGCM_date_Test.ksh > IGCM_date_Test.ref.failed 2>&1 |
---|
| 819 | |
---|
| 820 | if diff IGCM_date_Test.ref.failed ${libIGCM}/libIGCM_date/IGCM_date_Test${dY}.ref > /dev/null 2>&1 ; then |
---|
| 821 | echo "Check libIGCM_date ...............................................[ OK ]" |
---|
| 822 | rm -f IGCM_date_Test.ref.failed |
---|
| 823 | else |
---|
| 824 | echo "Check libIGCM_date ...........................................[ FAILED ]" |
---|
| 825 | echo "--Error--> Execution of ${libIGCM}/libIGCM_date/IGCM_date_Test.ksh" |
---|
| 826 | echo " has produced the file IGCM_date_Test.ref.failed" |
---|
| 827 | echo " Please analyse differences with the reference file by typing:" |
---|
| 828 | echo " diff IGCM_date_Test.ref.failed ${libIGCM}/libIGCM_date/IGCM_date_Test${dY}.ref" |
---|
| 829 | echo " Report errors to the author: Sebastien.Denvil@ipsl.jussieu.fr" |
---|
| 830 | IGCM_debug_Exit "IGCM_date_Check" |
---|
| 831 | fi |
---|
| 832 | |
---|
| 833 | #--------------------- |
---|
| 834 | IGCM_debug_PopStack "IGCM_date_Check" |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | #================================================================== |
---|