From: Rolando Abarca <funkaster@...>
Date: 2008-11-13T09:20:58+09:00
Subject: Re: Need tutoring on using a path environment variable

On Nov 12, 2008, at 6:22 PM, dkmd_nielsen wrote:

> Let's provide more information.  The contents of pw_path include this:
>
> C:\PW\firstprep;C:\PW\rapid\docs;C:\PW\la;C:\PW\rapid;c:\pw\pst;
>
> And the application I want to execute is presort.exe, which is located
> in c:\pw\pst;
>
> I would like to be able to tell the O/S you have to look in the above
> folders to find presort.exe, just as you would using PATH.  In a
> sense, I would like to temporarily merge the contents of pw_path into
> the search path of PATH.
>
> Is that better?

you can always store the path before and reset it after the system call:

old_path = ENV['path']
ENV['path'] << ENV['PW_PATH']
system(...)
ENV['path'] = old_path

> dvn


regards,
-- 
Rolando Abarca M.