Last change
on this file since 399 was
371,
checked in by pinsard, 16 years ago
|
improvements of headers (alignments of IDL prompt in examples)
|
-
Property svn:eol-style set to
native
-
Property svn:keywords set to
Id
|
File size:
554 bytes
|
Line | |
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1 | ;+ |
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2 | ; |
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3 | ; @file_comments |
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4 | ; A kind of <proidl>KEYWORD_SET</proidl> but when the value exist, it |
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5 | ; send it back. |
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6 | ; |
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7 | ; @categories |
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8 | ; Utilities |
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9 | ; |
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10 | ; @keyword VAR |
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11 | ; any kind of |
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12 | ; |
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13 | ; @returns |
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14 | ; 0 if the variable does not exist |
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15 | ; |
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16 | ; @examples |
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17 | ; IDL> print, testvar(var=toto) |
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18 | ; 0 |
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19 | ; IDL> print, testvar(var='toto') |
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20 | ; toto |
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21 | ; |
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22 | ; @history |
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23 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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24 | ; 14/12/1999 |
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25 | ; |
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26 | ; @version |
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27 | ; $Id$ |
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28 | ; |
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29 | ;- |
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30 | FUNCTION testvar, VAR=var |
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31 | ; |
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32 | compile_opt idl2, strictarrsubs |
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33 | ; |
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34 | if keyword_set(var) then return, var ELSE return, 0 |
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35 | end |
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