bug-coreutils
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."




reply via email to

[Prev in Thread] Current Thread [Next in Thread]