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From:	"Hannu E K Nevalainen" <_garbage_collector_ AT telia DOT com>
To:	<cygwin AT cygwin DOT com>
Subject:	RE: "which" command does not expand "~" in path
Date:	Mon, 27 Sep 2004 19:23:34 +0200
Message-ID:	<NGBBLLIAMFLGJEOAJCCEEENEDOAA._garbage_collector_@telia.com>
MIME-Version:	1.0
In-Reply-To:	<Pine.GSO.4.61.0409262122350.630@slinky.cs.nyu.edu>
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you wrote:

> On Mon, 27 Sep 2004, Sven Köhler wrote:
>
>>>> But is there any command that give's me the home for a given
>>>> username?
>>>
>>> bash -c "echo ~username"
>>
>> Oh well, beside bash (and any other big programm called shell)
>>
>>> Or you could write one using the getpwnam() call (better yet, the
>>> reentrant versions, getpwnam_r()), and submit it to, say, cygutils
>>> (since sh-utils is no longer being actively developed).
>>
>> I just wondered how to write a "correct" shell-script that runs with
>> /bin/sh, and it seems there is no way "shell-script"-way to figure
>> out a  user's homedir.
>
> You could try
>
> awk -F: "/^username:/"'{print $6}' < /etc/passwd
>
> (the pattern is in double quotes so that variable substitution can
> occur, e.g., you could change "username" to "$1" in a shell script).
> Igor --

$ u="Hannu";sed -nre "s/^$u.*:(.*):.*$/\1/p" </etc/passwd

I bet there are some more other ways to do it... ;-P

/Hannu E K Nevalainen, B.Sc. EE Microcomputer systems            --72-->

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