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25 lines
877 B
Markdown
25 lines
877 B
Markdown
# sed
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> Edit text in a scriptable manner.
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> See also: `awk`, `ed`.
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> More information: <https://keith.github.io/xcode-man-pages/sed.1.html>.
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- Replace all `apple` (basic `regex`) occurrences with `mango` (basic `regex`) in all input lines and print the result to `stdout`:
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`{{command}} | sed 's/apple/mango/g'`
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- Execute a specific script [f]ile and print the result to `stdout`:
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`{{command}} | sed -f {{path/to/script_file.sed}}`
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- Replace all `apple` (extended `regex`) occurrences with `APPLE` (extended `regex`) in all input lines and print the result to `stdout`:
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`{{command}} | sed -E 's/(apple)/\U\1/g'`
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- Print just a first line to `stdout`:
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`{{command}} | sed -n '1p'`
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- Replace all `apple` (basic `regex`) occurrences with `mango` (basic `regex`) in a `file` and save a backup of the original to `file.bak`:
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`sed -i bak 's/apple/mango/g' {{path/to/file}}`
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