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grep

GNU grep, egrep and fgrep
http://www.gnu.org/software/grep/
Score:
 29
16 reviews
Description:

'grep' is a utility to search for text in files; it can be used from the command line or in scripts. Even if you don't want to use it, other packages on your system probably will.

The GNU family of grep utilities may be the "fastest grep in the west". GNU grep is based on a fast lazy-state deterministic matcher (about twice as fast as stock Unix egrep) hybridized with a Boyer-Moore-Gosper search for a fixed string that eliminates impossible text from being considered by the full regexp matcher without necessarily having to look at every character. The result is typically many times faster than Unix grep or egrep. (Regular expressions containing backreferencing will run more slowly, however.)

User reviews:
ScoreComment

Hammer459
4 years ago
3 This is like review of "Wheels" on "Car"! A Linux ssysten can not exist witout grep

lib2know
4 years ago
5 shows the essence of your text and log files

TJGeezer
4 years ago
5 My scripts depend on it

dsgna89
5 years ago
5 Very useful

metamal
6 years ago
5 Absolutely essential for bash scripting and command line work.

chassum
7 years ago
5 of the absolute essential apps.

mitanshugamer
7 years ago
5 must have..

kip-
7 years ago
5 it should be in every OS as standard

blueXrider
7 years ago
4 Needed

RavS
7 years ago
5 Tried and Tested! If u r CLI champ, u know it's utility!

bugz
7 years ago
5 grep, awk and sed are must have utilities to make powerful searches/substitues possible in console. Also it works well in automation scripts.

Steampunk-Nick
7 years ago
5 needed by every system

Germmare
8 years ago
5 ... STATE: NECESSARY ! ...

bst2
8 years ago
5 Vitally important

Qruqs
8 years ago
5 Couldn't live without it.

sigma-ml
8 years ago
5 Indispensable!