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Full Discussion: Grep in delimited file
Top Forums UNIX for Advanced & Expert Users Grep in delimited file Post 302333081 by vgersh99 on Friday 10th of July 2009 07:32:16 PM
Old 07-10-2009
Quote:
Originally Posted by sighK
cat dumps entire file to output

| is a pipe to push into another application's stdin
Once again WHY do you 'cat'? Read this url
Quote:
Originally Posted by sighK
grep -i -e

-i removes case

-e "string to search for"
I believe '-e' is for the Extended regular expression, which you don't have - loose the '-e'.
Quote:
Originally Posted by sighK

I pipe it into another instance of grep to search for the second string, this will make sure all lines output have both instances inside of it. As far as i know, grep doesn't use an internal field separator, so use perl,python or even c if you want something faster then awk.
You don't need 2 greps piping to each other - instead use ONE 'sed':
Code:
sed '/ffff/!d; /abc/!d'

Quote:
Originally Posted by sighK

The perl script I gave you should work with little modification to what you acctually want. I made that in reguards to what I thought you needed.
 

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