source: trunk/SRC/Utilities/testvar.pro @ 262

Last change on this file since 262 was 262, checked in by pinsard, 17 years ago

corrections of some headers and parameters and keywords case. change of pro2href to replace proidl

  • 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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