source: trunk/SRC/Utilities/testvar.pro

Last change on this file was 495, checked in by pinsard, 10 years ago

fix thanks to coding rules; typo; dupe empty lines; trailing blanks

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 553 bytes
RevLine 
[2]1;+
2;
[224]3; @file_comments
[495]4; A kind of <proidl>KEYWORD_SET</proidl> but when the value exist, it
[242]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
[371]17;   IDL> print, testvar(var=toto)
[136]18; 0
[371]19;   IDL> print, testvar(var='toto')
[136]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;-
[327]30FUNCTION testvar, VAR=var
[114]31;
32  compile_opt idl2, strictarrsubs
33;
[2]34   if keyword_set(var) then return, var ELSE return,  0
35end
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