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grouping and grep only different lines

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babeo

babeo

Technical User
Joined
Mar 30, 2000
Messages
398
Location
CA
Hi,
I have a file contain repeating data, eg
[3311111450]
[3311111450]
[40222221100]
[40222221100]
[40222221100]
[66666221100]
[66666221100] and so on..

I want to cat the file but only display 1 line for each group
[3311111450]
[40222221100]
[66666221100] and so on.

Is there any command can do the grouping by line?
Thanks
 
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Try this...

[tt]
sort file.dat | uniq
[/tt]
 
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Woah Hooo!!

It works perfect. Thanks a lot Sam.
 
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