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From: Kevin Rodgers <ihs_4664@yahoo.com>
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Subject: Re: GNU emacs locks files modified with CVS
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gebser@speakeasy.net wrote:

> Of course everyone can set up their systems however they wish, but I 
> use:
> 
> export DISPLAY=$(who -lum|awk -F '(' '{print $2}'|awk -F ')' '{print $1}'):0
> 
> in my ~/.bashrc and have no problem logging in and/or running remotely
> whatever X apps I want.


I know this isn't comp.unix.shell, but that pipe can be simplified a little by
passing a regex as awk's field separator:


export DISPLAY=$(who -lum | awk -F'[()]' '{print $(NF-1)}'):0

-- 
Kevin Rodgers