From: dkmd_nielsen <donn@...>
Date: 2008-11-13T06:12:18+09:00
Subject: Re: Need tutoring on using a path environment variable

On Nov 12, 2:50 pm, dkmd_nielsen <d...@cmscms.com> wrote:
> I don't know what to do.  I have an environment variable, PW_PATH,
> that contains the folder names where applications can be executed
> from.  I want to start a particular application that is in one of
> those folders.  I currently use the following:
>
>       system("presort /a /nos /watch #{template[0]}") # submit the
> presort to run
>
> This works when the contents of PW_PATH are added to the PATH
> variable.  But I would like to avoid that if I can.  I guess my
> questions are:  How do I first acquire the contents of PW_PATH?  How
> do employ the contents as a temporary addition to PATH so that system
> can submit the application and it will be found and executed?
>
> Suggestions?  Comments?  Observations?  All are appreciated.
>
> dvn

First question answered:  pw = ENV['pw_path']  I got that.  But I
don't know how to employ the contents such that when the application
is submitted via system that the o/s actually knows where to go
looking.