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From: Zoltan Hidvegi <hzoli@ny.frontiercomm.net>
Message-Id: <199706190642.CAA05741@hzoli.home>
Subject: Re: kill and pid files
In-Reply-To: <Pine.NXT.3.96.970618161237.19016A-100000@cc344191-a.ewndsr1.nj.home.com> from Timothy J Luoma at "Jun 18, 97 04:16:13 pm"
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Date: Thu, 19 Jun 1997 02:42:34 -0400 (EDT)
Cc: rstone@accesscom.com, zsh-users@math.gatech.edu
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> well, I don't have the file part, but I use this
> 
> pid () {
> 
> for i in $*
> do
>         echo `/bin/ps -auxwww | grep -v grep |
>         grep -w $i | awk '{print $2}' | tr -s '\012' ' '`
>  
> done
> 
> }

Oh, this is a really overcomplicated solution for a simple problem.  How
about this:

pid () {
    local i
    for i
    do
        ps acx | sed -n "s/ *\([0-9]*\) .* $i *\$/\1/p"
    done
}

Under Linux, you can even do that without ps or sed:

pid2 () {
    local i
    for i in /proc/<->/stat
    do
        [[ "$(< $i)" = *\((${(j:|:)~@})\)* ]] && echo $i:h:t
    done
}

Zoltan