On Tue, Apr 08, 2003 at 07:23:31PM +0700, Alexander S. Belov wrote:
> В Втр, 08.04.2003, в 19:10, Dmitry V. Levin пишет:
> > 
> > $ apropos 'remove duplicate lines'
> > uniq                 (1)  - remove duplicate lines from a sorted file
> > 
> 
> pc_asbel:asbel:~/1>cat | sort -u | egrep "^alias sound[^ ]*" | cut -d\ 
> -f3 | uniq -u
> alias sound-slot-4 btaudio
> alias sound-slot-1 sb
> alias sound-slot-2 btaudio
> alias sound-slot-3 btaudio
> alias sound-slot-0 emu10k1
> Нажимаю Ctrl+D
> emu10k1
> sb
> btaudio
> 
> pc_asbel:asbel:~/1>
> 
> Вот :-).

$ echo -e '1\n2\n1' |uniq -u
1
2
1


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