Previous SAXO Documentation Assistant: Overview Next

Utilities/

undefine.pro

erase a variable same thing that delvar but usable in a program and usable for one variable simultaneously

undefine Utilities

undefine, varname

Parameters

varname        in required

The name of the variable we want erase

Examples

IDL> a=1 IDL> undefine,a % Compiled module: UNDEFINE. IDL> help, a A UNDEFINED =

Version history

Version

$Id: undefine.pro 157 2006-08-21 09:01:50Z navarro $

History

trouve sur la page web de D.Fanning http://www.dfanning.com : QUESTION: How do I make an IDL variable have a type "undefined"? ANSWER: At the main IDL level you can use the IDL procedure DELVAR to delete an IDL variable and make it undefined. Inside of procedures and functions, I use this little program named UNDEFINE that I got from Andrew Cool at the DSTO High Frequency Radar Division in Adelaide, Australia.

 


  Produced by IDLdoc 2.0 on Tue Aug 29 14:50:58 2006.