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Re: [bug #24974] Document that comm's option "-1", "-2" and "-3" can be

From: Andreas Schwab
Subject: Re: [bug #24974] Document that comm's option "-1", "-2" and "-3" can be combined
Date: Mon, 01 Dec 2008 22:00:56 +0100
User-agent: Gnus/5.110009 (No Gnus v0.9) Emacs/22.3 (gnu/linux)

Pádraig Brady <address@hidden> writes:

> # set operations on sorted files
> comm file1 file2 | sed 's/^\t*//'     #Union

That only works when no data line begins with a TAB.  sort -m does not
have this problem.

> # set operations on unsorted files
> sort file1 file2 | uniq               #Union

sort -u file1 file2


Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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