toptestvar utlities
Return value
0 if the variable does not exist
Keywords
var
Examples
IDL> print, testvar(var=toto)
0
IDL> print, testvar(var='toto')
toto
Version history
Version
$Id: testvar.pro 136 2006-07-10 15:20:19Z pinsard $
History
Sebastien Masson (smasson@lodyc.jussieu.fr)
14/12/1999