comp.lang.idl-pvwave archive: archive » checking if variable is defined

Home » Public Forums » archive » checking if variable is defined

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

checking if variable is defined [message #24625]

Wed, 11 April 2001 08:47

Dominik[1]
Messages: 46
Registered: April 2001

Member

Helle there,

I would like to plot a variable, but only if it is existing. When the
Variable is undefined, nothing should happen. So I am searching for an
expression for the if statement. Does anybody know an expression like:
if ( vaiable_name existing) then...

Thanks

Dominik

--
_____________________________
Dominik Paul
dpaul@ukl.uni-freiburg.de
Universit�tsklinikum Freiburg
Abt. PET/Nuklearmedizin

Report message to a moderator

[Message index]

		checking if variable is defined By: Dominik[1] on Wed, 11 April 2001 08:47
		Re: checking if variable is defined By: Bernard Puc on Thu, 12 April 2001 05:19
		Re: checking if variable is defined By: davidf on Wed, 11 April 2001 09:59

Previous Topic:	Re: IDLWAVE 4.9
Next Topic:	Re: R: How to call fortran subroution?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Nov 29 17:24:53 PST 2025

Total time taken to generate the page: 0.47711 seconds