source: trunk/SRC/Utilities/testvar.pro @ 248

Last change on this file since 248 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
RevLine 
[2]1;+
2;
[224]3; @file_comments
[242]4; A kind of <proidl>keyword_set</proidl> but when the value exist, it
5; send it back.
[2]6;
[224]7; @categories
[157]8; Utilities
[2]9;
[224]10; @keyword VAR
[136]11; any kind of
[2]12;
[224]13; @returns
14; 0 if the variable does not exist
[2]15;
[224]16; @examples
[136]17; IDL> print, testvar(var=toto)
18; 0
19; IDL> print, testvar(var='toto')
20; toto
[2]21;
[224]22; @history
23; Sebastien Masson (smasson\@lodyc.jussieu.fr)
[2]24;                      14/12/1999
[133]25;
[224]26; @version
27; $Id$
[133]28;
[2]29;-
[231]30;
[2]31FUNCTION testvar, var = var
[114]32;
33  compile_opt idl2, strictarrsubs
34;
[2]35   if keyword_set(var) then return, var ELSE return,  0
36end
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