source: trunk/SRC/Utilities/testvar.pro @ 254

Last change on this file since 254 was 242, checked in by pinsard, 17 years ago

improvements/corrections of some *.pro headers + replace some message by some report

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 554 bytes
Line 
1;+
2;
3; @file_comments
4; A kind of <proidl>keyword_set</proidl> but when the value exist, it
5; send it back.
6;
7; @categories
8; Utilities
9;
10; @keyword VAR
11; any kind of
12;
13; @returns
14; 0 if the variable does not exist
15;
16; @examples
17; IDL> print, testvar(var=toto)
18; 0
19; IDL> print, testvar(var='toto')
20; toto
21;
22; @history
23; Sebastien Masson (smasson\@lodyc.jussieu.fr)
24;                      14/12/1999
25;
26; @version
27; $Id$
28;
29;-
30;
31FUNCTION testvar, var = var
32;
33  compile_opt idl2, strictarrsubs
34;
35   if keyword_set(var) then return, var ELSE return,  0
36end
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