Changing environment variables in a shell script?

[Chuk Goodin]

On 4/28/05, Magnus Therning <magnus at therning.org> wrote: 
> 
> >After running it, my DISPLAY variable is unchanged. If I just type the
> >last two lines (one at a time) into the command prompt, it works. Also,
> >if I check the DISPLAY variable from within the script, it shows up as
> >what I want it to be. How do I get it to change my "main" environment
> >variable?
> 
> You can do what you want by 'sourcing' your script:
> 
> $ source script
> 
> or
> 
> $ . script
> 
> Executing the script starts a new shell and your script is run inside it
> leaving the environment of the original shell untouched. This beahviour
> is different from MS-DOS.

 Thanks to all who answered, that's exactly what I needed!

-- 
> chuk
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