Merge branch 'master' of github.com:bregman-arie/devops-exercises

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abregman 2021-11-12 14:05:32 +02:00
commit 432552549a

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@ -656,6 +656,12 @@ They take in input (<) and output for a given file (>) using stdin and stdout.
</summary><br><b> </summary><br><b>
- sed: a stream editor. Can be used for various purposes like replacing a word in a file: `sed -i s/salad/burger/g` - sed: a stream editor. Can be used for various purposes like replacing a word in a file: `sed -i s/salad/burger/g`
- grep: a search tool. Used to search, count or match a text in a file:
- searching for any line that contains a word in a file: `grep 'word' file.md`
- or displaying the total number of times a string appears in a file: `grep -c 'This is a string' file.md`
- cut: a tool for cutting out selected portions of each line of a file:
- syntax: `cut OPTION [FILE]`
- cutting first two bytes from a word in a file: `cut -b 1-2 file.md`, output: `wo`
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