in reply to Re: Detecting duplicate entries
in thread Detecting duplicate entries

That'd be a useless use of both cat and uniq. 
sort -u file.txt

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-- Randal L. Schwartz, Perl hacker

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Re: Re: Re: Detecting duplicate entries
by turnstep (Parson) on Mar 01, 2001 at 22:13 UTC
    And to do it all at once as an inline edit: 
    sort -uo file.txt file.txt

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    Update: For those that asked, sort -u file.txt > file.txt
    will completely and happily change file.txt into a zero byte file, hence the need for the "o" flag.

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