| 1 | # grep
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| 2 |
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| 3 | > Matches patterns in input text
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| 4 | > Supports simple patterns and regular expressions
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| 5 |
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| 6 | - search for an exact string
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| 7 |
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| 8 | `grep {{something}} {{file_path}}`
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| 9 |
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| 10 | - search recursively in current directory for an exact string
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| 11 |
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| 12 | `grep -r {{something}} .`
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| 13 |
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| 14 | - use a regex
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| 15 |
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| 16 | `grep -e {{^regex$}} {{file_path}}`
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| 17 |
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| 18 | - see 3 lines of context
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| 19 |
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| 20 | `grep -C 3 {{something}} {{file_path}}`
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| 21 |
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| 22 | - print the number of matches
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| 23 |
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| 24 | `grep -c {{something}} {{file_path}}`
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| 25 |
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| 26 | - use the standard input instead of a file
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| 27 |
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| 28 | `cat {{file_path}} | grep {{something}}`
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