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Utilities/

testvar.pro

A kind of keyword_set but when the value exist, it send it back.

testvar Utilities

result = testvar(var=var)

Return value

0 if the variable does not exist

Keywords

var       

any kind of

Examples

 IDL> print, testvar(var=toto)
 0
 IDL> print, testvar(var='toto')
 toto

    

Version history

Version

$Id: testvar.pro 231 2007-03-19 17:15:51Z pinsard $

History

Sebastien Masson (smasson@lodyc.jussieu.fr) 14/12/1999

 


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