comp.lang.idl-pvwave archive: archive » undefining variables?

Home » Public Forums » archive » undefining variables?

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

undefining variables? [message #7571]

Fri, 06 December 1996 00:00

alpha
Messages: 49
Registered: September 1996

Member

Hello,

is there a way to undefine variables?

for some reasons it would be nice (eg. undefineing keywords..)

just look at this:

pro example

a=10l
if datatype(a) eq 'LON' then print,'yes, its long'

UNDEFINE,a

if datatype(a) eq 'UND' then print,'Thats what I want!'

end

what to take for UNDEFINE?

- delvar is only working in main-level... so it is
not usefull for me...

any help wanted...

Panther

PS: Congratulations...to the domain: dfanning.com !!!!
i am thinking about panther@jungle.com or
panther@jungle.org,
but its occupied........what a pitty!

--
Panther in the Jungle __..--''``\--....___ _..,_
-BELIEVE AND DECEIVE- _.-' .-/"; ` ``<._ ``-+'~=.
http://www.ang-physik _.-' _..--.'_ \ `(^) )
.uni-kiel.de/~hendrik ((..-' (< _ ;_..__ ; `'

Report message to a moderator

Re: undefining variables [message #8419 is a reply to message #7571]

Wed, 05 March 1997 00:00

wonko
Messages: 22
Registered: March 1997

Junior Member

slx@ansto.gov.au (Samantha Lane) wrote:

> Hi!,
> I'd like to undefine a variable st n_elements(var) eq 0 but
> previously n_elements(var) gt 0.
> How can I do that?

Try dummy=temporary(var), this will create a new variable 'dummy' with
var's contents, and 'var' will be undefined afterwards.

Alex
--
Alex Schuster Wonko@weird.cologne.de
alex@pet.mpin-koeln.mpg.de

Report message to a moderator

Previous Topic:	Tephigram pro?
Next Topic:	Problems with HP-UX 10.20

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 17:44:48 PDT 2025

Total time taken to generate the page: 0.00648 seconds