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Re: SETENV [message #49839 is a reply to message #9826]

Wed, 16 August 2006 10:59

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Wed, 16 Aug 2006, Dominic Metzger wrote:

> Hi,
>
> I looked at the specs for the SETENV command in idl and it says "adds
> or changes an environment string in the process environment."
> Unfortunately, they only have examples for changing an environment
> variable but not how to add to an existing env. variable. I tried
> pretty much everything that seems to work in Unix but I didnt get it to
> work it in IDL.
>
> so, here is what I am trying to do:
> in Unix:
> $ setenv FOO "bar"
> $ echo $FOO
> bar
> $ setenv FOO "foo:$FOO"
> $ echo $FOO
> foo:bar
>
> So, how can you add to an existing env. variable in IDL with the SETENV
> command?
>
> thanks
>
> dometz

use getenv():

IDL> setenv,'foo=bar'
IDL> print, getenv('foo')
bar
IDL> setenv,'foo=foo:'+getenv('foo')
IDL> print, getenv('foo')
foo:bar

regards,
lajos

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[Message index]

		setenv,'x.x.x.x:0.1' By: Russell Tarver on Mon, 18 August 1997 00:00
		Re: SETENV By: Dominic Metzger on Wed, 16 August 2006 13:42
		Re: SETENV By: JD Smith on Wed, 16 August 2006 11:02
		Re: SETENV By: Foldy Lajos on Wed, 16 August 2006 10:59

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