100 lines
3.4 KiB
Bash
100 lines
3.4 KiB
Bash
#!/bin/bash
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# ------------------------------------------------------------------------------
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# Copyright (c) 2013-2022 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# Protected by the BSD3 license. Please read bellow for details.
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#
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# * Redistribution and use in source and binary forms,
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# * with or without modification, are permitted provided
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# * that the following conditions are met:
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# *
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# * Redistributions of source code must retain the above
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# * copyright notice, this list of conditions and the
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# * following disclaimer.
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# *
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# * Redistributions in binary form must reproduce the above
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# * copyright notice, this list of conditions and the following
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# * disclaimer in the documentation and/or other materials
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# * provided with the distribution.
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# *
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# * Neither the name of the copyright holder nor the names
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# * of any other contributors may be used to endorse or
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# * promote products derived from this software without
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# * specific prior written permission.
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# *
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# * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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# * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# * OF SUCH DAMAGE.
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Look for a package within installed one
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# Usage: dpkgs <string>
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pkgs()
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{
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local ignore_case=0
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local PARSED
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PARSED=$(getopt -o hi --long help,ignore-case -n 'pkgs' -- "$@")
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if [[ $? -ne 0 ]]; then
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disp E "Invalid options, use \"pkgs --help\" to display usage."
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return 1
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fi
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eval set -- "$PARSED"
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while true; do
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case "$1" in
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-h|--help)
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printf "pkgs: Look for an installed package by its name.\n\n"
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printf "Usage: pkgs [options] <string>\n\n"
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printf "Options:\n"
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printf "\t-h, --help\tDisplay this help screen\n"
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printf "\t-i, --ignore-case\tIgnore case distinctions\n"
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return 0
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;;
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-i|--ignore-case)
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ignore_case=1
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shift
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;;
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--)
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shift
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break
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;;
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*)
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disp E "Invalid option: $1"
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return 1
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;;
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esac
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done
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local pkg="$1"
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[[ -z "$pkg" ]] && {
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disp E "Please specify a package name, without space, eventually partial."
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return 1
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}
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# Build grep command
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local grep_opt=""
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(( ignore_case )) && grep_opt="-i"
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command -v dpkg >/dev/null 2>&1 && local cmd="dpkg -l"
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command -v rpm >/dev/null 2>&1 && local cmd="rpm -qa"
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if [[ -z $cmd ]]; then
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disp E "No usable package manager seems unavialable."
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return 2
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fi
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$cmd | grep $grep_opt $pkg
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}
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export -f pkgs
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# ------------------------------------------------------------------------------
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# EOF
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