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Sed has more commands than just s! You can replace the first line of the input with a new value using the c command, without having to write any regular expressions. sed "1c\\$env" "$file"
#1: Initial revision
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r~~
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2026-02-18T23:36:31Z (7 months ago)
Sed has more commands than just `s`! You can replace the first line of the input with a new value using the `c` command, without having to write any regular expressions. ``` sed "1c\\$env" "$file" ```