source: trunk/SRC/Utilities/testvar.pro @ 153

Last change on this file since 153 was 136, checked in by pinsard, 18 years ago

some improvements and corrections in some .pro file according to
aspell and idldoc log file
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 900 bytes
Line 
1;------------------------------------------------------------
2;------------------------------------------------------------
3;------------------------------------------------------------
4;+
5;
6; @file_comments
7; A kind of keyword_set but when the value exist, it send it back
8;
9; @categories utlities
10;
11; @keyword var
12; any kind of
13;
14; @returns
15; 0 if the variable does not exist
16;
17; @examples
18; IDL> print, testvar(var=toto)
19; 0
20; IDL> print, testvar(var='toto')
21; toto
22;
23; @history Sebastien Masson (smasson@lodyc.jussieu.fr)
24;                      14/12/1999
25;
26; @version $Id$
27;
28;-
29;------------------------------------------------------------
30;------------------------------------------------------------
31;------------------------------------------------------------
32FUNCTION testvar, var = var
33;
34  compile_opt idl2, strictarrsubs
35;
36   if keyword_set(var) then return, var ELSE return,  0
37end
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