Re: [opensuse] grep - how to tell which patterns are NOT in the searched file

On 06/26/2014 06:40 PM, Greg Freemyer wrote:

All,

I know "grep -F -f pattern_file <files-to-search>

will give me a list of all lines with a pattern in them.

I want to know which of the patterns had no matches.

Nice use case - that's fun! ;-) $ cat patterns hello world badpattern $ cat file a b chelloc dworldd efhellof g $ grep -hFo -f patterns file | grep -Fv -f - patterns badpattern Of course this only works for fixed pattern ... but that seems to be the case for you. ;-) Have a nice day, Berny -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org