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42 lines
1.1 KiB
Bash
Executable File
42 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Optimized script to remove directories from PATH.
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# For each specified directory, all occurrences are removed from PATH.
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#
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# Usage: x-path-remove <directory1> [<directory2> ...]
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#
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# Enable verbose output by setting the environment variable VERBOSE=1.
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#
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# Author: Ismo Vuorinen <https://github.com/ivuorinen> 2024
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# License: MIT
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VERBOSE="${VERBOSE:-0}"
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# Ensure that at least one directory is provided.
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[ "$#" -lt 1 ] && {
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echo "Usage: $0 <directory> [<directory> ...]"
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exit 1
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}
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for dir in "$@"; do
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# Remove trailing slash if present, unless the directory is "/"
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[ "$dir" != "/" ] && dir="${dir%/}"
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# Check if the directory is present in PATH.
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case ":$PATH:" in
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*":$dir:"*)
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# Remove all occurrences of the directory from PATH using parameter expansion.
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PATH=":${PATH}:"
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PATH="${PATH//:$dir:/:}"
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PATH="${PATH#:}"
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PATH="${PATH%:}"
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[ "$VERBOSE" -eq 1 ] && echo "Removed '$dir' from PATH."
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;;
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*)
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[ "$VERBOSE" -eq 1 ] && echo "(?) '$dir' is not in PATH."
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;;
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esac
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done
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export PATH
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