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Re: Bug in uniq


From: Eric Blake
Subject: Re: Bug in uniq
Date: Sat, 31 Dec 2005 20:15:54 +0000

> I am getting different result doing:
> 
> $ grep "Frame of R" /tmp/uniq.bug| sort | uniq 
>  
> 
> $ grep "Frame of R" /tmp/uniq.bug| uniq | sort 

Not a bug.  If you re-read 'uniq --help', it will become
apparent that POSIX requires uniq to discard only identical
lines which are next to one another.  In other words, you
need to sort before calling uniq if you don't want duplicates.

--
Eric Blake




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