Difference between revisions of "Grep"
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| − | *[http://www.gnu.org/software/grep/ GNU grep] | + | *[http://www.gnu.org/software/grep/ GNU grep] — the grep that usually comes with Linux distributions |
*[http://unixhelp.ed.ac.uk/CGI/man-cgi?grep GNU grep] man page | *[http://unixhelp.ed.ac.uk/CGI/man-cgi?grep GNU grep] man page | ||
*[http://www.linfo.org/grep.html The grep Command] - by The Linux Information Project (LINFO) | *[http://www.linfo.org/grep.html The grep Command] - by The Linux Information Project (LINFO) | ||
Revision as of 03:55, 14 April 2008
grep (Global Regular Expression Print) is a command line utility that for a given a list of files or standard input to read, grep searches for lines of text that match one or many regular expressions, and outputs only the matching lines.
See also
- agrep — approximate grep to facilitate fuzzy string searching
- fgrep — fixed pattern searches
- egrep — for searches involving more sophisticated regular expression syntax
- ngrep — network grep
- rgrep — recursive grep
- pgrep — displays the processes whose names match a regular expression
- ugrep &mdsah; only do basic regexp string matching
- tcgrep — rewrite of grep which uses Perl regular expression syntax
- apachegrep — a Perl program to help webmasters go through their apache logs
- rexgrep — GUI frontend to grep
- webgrep — a set of 7 search utilities for web-masters
Other
- Structure grep
- Nondeterministic reverse grep
- Grouse Grep (ggrep)
- Python Grep (pygrep)
- Multilingual Grep
External links
- GNU grep — the grep that usually comes with Linux distributions
- GNU grep man page
- The grep Command - by The Linux Information Project (LINFO)
- "The Treacherous Optimization" — article on tradeoffs in grep to favor best-case over worst-case scenarios
- Egrep for linguists — an introduction to egrep.
- Tony Abou-Assaleh's list of Greps
- TCGrep
