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62 lines
1.6 KiB
Bash
62 lines
1.6 KiB
Bash
5 years ago
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#!/usr/bin/env bash
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# shellcheck disable=SC2230
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# vim:ts=4:sts=4:sw=4:et
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#
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# Author: Hari Sekhon
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# Date: 2019-09-15 09:59:01 +0100 (Sun, 15 Sep 2019)
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#
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# https://github.com/harisekhon/bash-tools
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#
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# License: see accompanying Hari Sekhon LICENSE file
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#
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# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
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#
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# https://www.linkedin.com/in/harisekhon
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#
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# Returns the first argument that is found as an executable in the $PATH
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#
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# Useful for Macs to find where libraries executable scripts like fatpacks are, which may get installed locally in $HOME/perl5/bin to avoid Mac OS X System Integrity Protection
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set -euo pipefail
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[ -n "${DEBUG:-}" ] && set -x
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perl="${PERL:-perl}"
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perl_path=""
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while read -r path; do
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bin="${path%/lib/perl*/site-packages*}/bin"
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if [ -d "$bin" ]; then
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perl_path="$perl_path:$bin"
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fi
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done < <("$perl" -e 'print join("\n", @INC);')
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if [ -d ~/perl5/bin ]; then
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perl_path="$perl_path:"~/perl5/bin
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fi
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if [ $# -lt 1 ]; then
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cat <<EOF
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Find where one or more CLI programs are installed by searching all the perl library locations
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Especially useful when perl tools get installed to places not in your \$PATH - where the 'which' command can't help
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usage: ${0##*/} <program> [<program2> <program3> ...]
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EOF
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exit 1
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fi
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set +o pipefail
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found="$(PATH="$perl_path" type -P "$@" | head -n 1)"
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set -o pipefail
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if [ -n "$found" ]; then
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echo "$found"
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else
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echo "no perl executable was found matching any of: $*" >&2
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echo "\$PATH searched was: $PATH" >&2
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exit 1
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fi
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