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Pymeus · 11-26-2013, 08:45 PM

Grep is mainly a command-line regular expression matcher. If you don't know regular expressions, start out using -F (see below) for fixed string matches. If you're looking to learn, the -P PCRE (perl-like) regular expressions are IMO both the most useful and the easiest to get the hang of.

The basic usage is
Different regex types
There are many more options. Some of the most notable are -i (case insensitive), -v (match lines that DON'T match the pattern), -l (list only the names of files that contain a match), and -R (recursive).

Grep manual: .

Maybe you have some more specific questions?

11-26-2013, 08:45 PM	#2
Pymeus Member Join Date: Oct 2008 Home MUD: tharel.net Posts: 36	Re: Need help useing grep Grep is mainly a command-line regular expression matcher. If you don't know regular expressions, start out using -F (see below) for fixed string matches. If you're looking to learn, the -P PCRE (perl-like) regular expressions are IMO both the most useful and the easiest to get the hang of. The basic usage is Different regex types There are many more options. Some of the most notable are -i (case insensitive), -v (match lines that DON'T match the pattern), -l (list only the names of files that contain a match), and -R (recursive). Grep manual: . Maybe you have some more specific questions?