Grep searches one or more input files
for lines containing a match to a specified pattern.
By default, Grep outputs the matching lines.
can be found on the main GNU ftp server:
(via HTTP) and
(via FTP). It can also be found
on the GNU mirrors;
a mirror if possible.
The current development version (introducing new features and
bugfixes, but also quite possibly new bugs) can be accessed using Git. Detailed instructions can be found
in "grep - Git
For other ways to obtain grep, please read
How to get GNU software.
is available online, as
is documentation for most GNU software. You may
also find more information about
or by looking at
or similar directories on your system. A brief summary is available by
running grep --help.
has the following mailing lists:
is used to discuss most aspects of
including development and enhancement requests, as well as bug reports.
contains commit log entries, and you can subscribe to it to follow
development more closely.
and most other GNU software are made on
Security reports that should not be made immediately public can be
sent directly to the maintainer. If there is no response to an urgent
issue, you can escalate to the general
mailing list for advice.
and GNU in general, is a volunteer effort, and you can contribute. For
information, please read How to help GNU. If you'd
like to get involved, it's a good idea to join the bug mailing
list (see above).
- Test releases
- Trying the latest test release (when available) is always
appreciated. Test releases of
are typically announced on the platform-testers
- Information for GNU grep developers
is a comprehensive source for all development-related matters.
For development sources and other
information, please see the
- To translate
messages into other languages, please see the Translation Project
If you have a new translation of the message strings,
or updates to the existing strings, please have the changes made in this
repository. Only translations from this site will be incorporated into
For more information, see the Translation
is currently being maintained by
Please use the mailing lists for contact.
is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free
Software Foundation; either version 3 of the License, or (at your
option) any later version.