2013-12-08 09:56:16 +01:00
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# grep
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2013-12-09 12:12:16 +01:00
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> Matches patterns in input text
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> Supports simple patterns and regular expressions
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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- search for an exact string
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2015-10-22 09:31:52 +02:00
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2013-12-09 12:12:16 +01:00
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`grep {{something}} {{file_path}}`
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2013-12-08 09:56:16 +01:00
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2014-01-28 13:41:32 +01:00
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- search recursively in current directory for an exact string
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`grep -r {{something}} .`
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2013-12-09 12:12:16 +01:00
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- use a regex
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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`grep -e {{^regex$}} {{file_path}}`
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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- see 3 lines of context
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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`grep -C 3 {{something}} {{file_path}}`
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2013-12-08 09:56:16 +01:00
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2015-10-22 09:31:52 +02:00
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- print the count of matches instead of the matching text
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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`grep -c {{something}} {{file_path}}`
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2013-12-08 09:56:16 +01:00
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2016-01-05 06:30:21 +01:00
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- print line number for each match
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`grep -n {{something}} {{file_path}}`
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2013-12-09 12:12:16 +01:00
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- use the standard input instead of a file
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2013-12-08 09:56:16 +01:00
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2013-12-09 12:12:16 +01:00
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`cat {{file_path}} | grep {{something}}`
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2014-07-27 10:23:56 +02:00
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- invert match for excluding specific strings
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2014-07-27 14:10:52 +02:00
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`grep -v {{something}}`
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