grep:basic_usage
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Table of Contents
Grep - Basic usage
Assuming a file exists with the following contents:
boot book booze machine boots bungie bark aardvark broken$tuff robots
Simple Search
grep "boo" filename
returns:
boot book booze boots
NOTE: grep prints out every line that contains the word boo.
Simple Search with Line Numbers
grep -n "boo" filename
returns:
1:boot 2:book 3:booze 5:boots
NOTE: Using the -n option prints includes line numbers.
Simple Inverse Search with Line Numbers
grep -vn "boo" filename
returns:
4:machine 6:bungie 7:bark 8:aaradvark 9:robots
NOTE: Using the -v option prints the inverse of the search string.
This is the items not found.
grep/basic_usage.1598093433.txt.gz · Last modified: 2020/08/22 10:50 by 192.168.1.1