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linux:grep_lines_before_and_after [2020/06/01 22:53] |
linux:grep_lines_before_and_after [2020/06/01 22:53] (current) |
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| + | ====== Grep Lines Before and After ====== | ||
| + | I often need to grep a file and return a few lines before and a few lines after the line I'm looking for. There are three relevant command line Arguments that allow you to do that. | ||
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| + | Grep's //-B 1// option will give you one line before; //-A 1// will give you one line after; and -C 1 will give you both one line before and one line after. | ||
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| + | Here's an example. | ||
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| + | grep -B 2 -A 3 'captcha' ./myfile.txt | ||