[NTLUG:Discuss] Find Files NOT containting 'string'

Thu Nov 6 21:56:58 CST 2003

Sorry that should have been

cat `grep -L 'stringyoudontwant' filename` | grep 'stringyouwant'

and choose the file if there is any output.

Ganesh

>From: "gan hawk" <ganhawk1 at hotmail.com>
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>Hi,
>
>If I understand correctly, you want the list of files that contains 'string 
>you want' but does not contain 'string you dont want'
>
>cat `grep -l 'stringyouwant' filename` | grep 'stringyoudontwant'
>
>If there is any output then you dont want this file.
>
>Remember that -l option returns after first match. So you will have to put 
>this in a loop and print the filename if there is no output.
>
>
>Ganesh
>
>
>
>>From: Stuart Johnston <sjohnston at vaultranet.com>
>>Reply-To: NTLUG Discussion List <discuss at ntlug.org>
>>To: NTLUG Discussion List <discuss at ntlug.org>
>>Subject: [NTLUG:Discuss] Find Files NOT containting 'string'
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>>I need to search for files that contain one string but not another.  Can 
>>anyone suggest a linux command to do this?
>>
>>The first part is easy with grep but since grep is line based it doesn't 
>>work will for the second part since pretty much every file will have at 
>>least one line that does not contain the string.
>>
>>I guess one way would be to grep a list of files containing the second 
>>string and compare it against the list of files that contain the first but 
>>I can't think how to easily XOR the two lists of files.  I don't want to 
>>ask you to 'do my homework' for me but if you can pull a command of the 
>>top of your head, I would appreciate it.
>>
>>thanks,
>>Stuart Johnston
>>
>>
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