using grep to find one match per line

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2 total messages Started by Schedule_Boy Wed, 04 Feb 2009 05:30

#1692

Author: Schedule_Boy
Date: Wed, 04 Feb 2009 05:30

14 lines
920 bytes

Hi,

How do you get grep to return a single line even when multiple matches are found on the same line?

I tried the (?-m) and (?-s) without success.

eg. searching for the string "sin" in the following line should return only one result not 2.

SG SIN Singapore

I don't want the search to stop after a single match, it should continue on successive lines

Thanks,
SB

Re: using grep to find one match per line

#1696

Author: Peter Kahrel
Date: Wed, 04 Feb 2009 10:05

5 lines
1105 bytes

GREP is case-sensitive, so "sin" doesn't find anything in "SG SIN Singapore". To search case-sensitively and whole words only, use (?i)\bsin\b

But your question isn't entirely clear. You start by asking "How do you get grep to return a single line even when multiple matches are found on the same line?", then you say "I don't want the search to stop after a single match, it should continue on successive lines". These two seem to contradich each other. Do you mean you want one match per line?

Peter

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