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docs: update

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Dylan Araps 2019-09-19 16:35:35 +03:00
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@ -485,7 +485,15 @@ Alternative to the `dirname` command.
```sh ```sh
dirname() { dirname() {
# Usage: dirname "path" # Usage: dirname "path"
printf '%s\n' "${1%/*}/" dir=${1%%/}
# If there are no '/' in the path, use '.'.
case $dir in
*/*) ;;
*) dir=.
esac
printf '%s\n' "${dir%/*}"
} }
``` ```