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Old 10-27-2006
gopskrish gopskrish is offline
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Join Date: Jun 2005
Posts: 26
delete string in a text file leaving the first occurrence
Hi,

How can i delete the second and subsequent occurrence of a particular string from a file ?

eg) test.txt
cattle
bat
battle
mat
matter
cattle
cattle

my output file should be

cattle
bat
battle
mat
matter

I am new to unix and your advice is greatly appreciated.

Thanks in advance,
gops