[2] | 1 | ;+ |
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[231] | 2 | ; |
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[128] | 3 | ; @file_comments |
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[231] | 4 | ; same as <pro>find</pro> except that as long as the file is 'NOT FOUND', |
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[242] | 5 | ; <pro>isafile</pro> calls |
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[260] | 6 | ; <proidl>DIALOG_PICKFILE</proidl>, to ask the user to select a file. |
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[2] | 7 | ; |
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[237] | 8 | ; @categories |
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[325] | 9 | ; Input/Output |
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[2] | 10 | ; |
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[325] | 11 | ; @param filein {in}{optional} |
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| 12 | ; a proposed name. If neither filein input parameter or filename keyword are |
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[237] | 13 | ; defined, we ask the user to choose a file. |
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[2] | 14 | ; |
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[224] | 15 | ; @keyword FILENAME |
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[136] | 16 | ; a proposed filename. |
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[2] | 17 | ; |
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[224] | 18 | ; @keyword IODIRECTORY |
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[136] | 19 | ; a directory where we look for the file. this |
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| 20 | ; keyword is taken into account only if the dirname |
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| 21 | ; of filein or filename is '.' |
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[11] | 22 | ; |
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[224] | 23 | ; @keyword NEW |
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| 24 | ; to specify that filename is a new file and that we should check only its |
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[136] | 25 | ; path |
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[11] | 26 | ; |
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[224] | 27 | ; @keyword ONLYPRO |
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[136] | 28 | ; force to look only at file ending with .pro |
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[69] | 29 | ; |
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[224] | 30 | ; @keyword ONLYNC |
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[136] | 31 | ; force to look only at file ending with .nc |
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[69] | 32 | ; |
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[224] | 33 | ; @keyword RECURSIVE |
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[136] | 34 | ; performs recursive searching of directory hierarchies. |
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[242] | 35 | ; In a recursive search, <pro>find</pro> looks recursively for any and all |
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[136] | 36 | ; subdirectories in the file hierarchy rooted at the IODIRECTORY argument. |
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[11] | 37 | ; |
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[224] | 38 | ; @keyword _EXTRA |
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[237] | 39 | ; Used to pass keywords to <pro>find</pro>, |
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[260] | 40 | ; <proidl>FILE_SEARCH</proidl> and |
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| 41 | ; <proidl>DIALOG_PICKFILE</proidl> |
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[118] | 42 | ; |
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[224] | 43 | ; @returns |
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[136] | 44 | ; the filename with its path |
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[11] | 45 | ; |
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[128] | 46 | ; @examples |
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[371] | 47 | ; |
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| 48 | ; IDL> print, isafile('/Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro') |
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[11] | 49 | ; /Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro |
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[371] | 50 | ; IDL> print, isafile('cm_4mesh.pro', iodir = '/Users/sebastie/SAXO_RD/Commons') |
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[11] | 51 | ; /Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro |
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[371] | 52 | ; IDL> print, isafile('cm_4mesh.pro', iodir = !path) |
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[11] | 53 | ; /Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro |
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[371] | 54 | ; IDL> print, isafile('cm_4mesh.pro', iodir = '/Users/sebastie/SAXO_RD', /recursive) |
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[11] | 55 | ; /Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro |
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[371] | 56 | ; IDL> print, isafile('cm_4mesh.pro', iodir = getenv('HOME'), /recursive) |
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[11] | 57 | ; /Users/sebastie/SAXO_RD/Commons/cm_4mesh.pro |
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[371] | 58 | ; IDL> print, isafile('fake_file.pro') |
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[11] | 59 | ; |
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[224] | 60 | ; @history |
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| 61 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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[2] | 62 | ; 11/2/2000 |
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[11] | 63 | ; June 2005: Sebastien Masson: cleaning, use for file_* functions |
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[118] | 64 | ; |
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[224] | 65 | ; @version |
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| 66 | ; $Id$ |
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[237] | 67 | ; |
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[2] | 68 | ;- |
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[327] | 69 | FUNCTION isafile, filein, FILENAME=filename, IODIRECTORY=iodirectory $ |
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| 70 | , NEW=new, RECURSIVE=RECURSIVE, ONLYPRO=onlypro $ |
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| 71 | , ONLYNC=onlync, _EXTRA=ex |
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[114] | 72 | ; |
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| 73 | compile_opt idl2, strictarrsubs |
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| 74 | ; |
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[11] | 75 | CASE 1 OF |
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| 76 | (size(filein, /type))[0] EQ 7:fileout = filein |
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[114] | 77 | keyword_set(filename):fileout = filename[0] |
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[11] | 78 | ELSE:fileout = 'file that is not existing' |
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| 79 | ENDCASE |
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| 80 | if size(fileout, /type) NE 7 THEN return, -1 |
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| 81 | ; |
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[69] | 82 | CASE 1 OF |
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| 83 | keyword_set(onlypro): filter = '*.pro' |
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| 84 | keyword_set(onlync): filter = '*.nc' |
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| 85 | else: filter = '*' |
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| 86 | ENDCASE |
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| 87 | ; |
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[11] | 88 | basename = file_basename(fileout) |
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| 89 | dirname = file_dirname(fileout) |
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| 90 | ; should we redefine dirname? |
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[248] | 91 | if fileout NE dirname+'/'+basename AND dirname EQ '.' AND NOT keyword_set(iodirectory) then dirname = '' |
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[392] | 92 | if keyword_set(iodirectory) AND dirname EQ '.' then dirname = ['.', iodirectory] |
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[11] | 93 | ; |
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[392] | 94 | if keyword_set(new) then return, dirname[n_elements(dirname)-1] + path_sep() + basename |
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[11] | 95 | ; |
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| 96 | fileout = find(basename, iodirectory = dirname $ |
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[69] | 97 | , recursive = recursive, /unique, /firstfound, ONLYPRO = onlypro $ |
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| 98 | , ONLYNC = onlync, _extra = ex) |
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[11] | 99 | WHILE fileout[0] EQ 'NOT FOUND' DO BEGIN |
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[69] | 100 | fileout = dialog_pickfile(path = dirname[0], filter = filter, _extra = ex) |
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[11] | 101 | if fileout EQ '' THEN RETURN, report('check/find file canceled') |
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| 102 | ; check again everything... |
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| 103 | basename = file_basename(fileout) |
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| 104 | dirname = file_dirname(fileout) |
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| 105 | ; check if the name of the dirname is ok |
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| 106 | dirname = isadirectory(dirname, title = 'choose a directory for the file ' $ |
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| 107 | + basename) |
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| 108 | ; if we cancel the check |
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| 109 | IF size(dirname, /type) NE 7 THEN return, report('check/find file canceled') |
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| 110 | fileout = find(basename, iodirectory = dirname $ |
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[69] | 111 | , recursive = recursive, /unique, /firstfound, ONLYPRO = onlypro $ |
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| 112 | , ONLYNC = onlync, _extra = ex) |
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[11] | 113 | ENDWHILE |
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| 114 | ; |
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| 115 | RETURN, fileout |
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| 116 | END |
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