84 lines
3.0 KiB
Bash
84 lines
3.0 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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# ------------------------------------------------------------------------------
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pkgs()
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{
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local count=0
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for opt in $@; do
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case $opt in
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"-h" | "--help")
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echo "dpkgs: look for an installed package by it's name."
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echo
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echo "Usage: dpkgs <string>"
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return 0
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;;
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"-"*)
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disp E "Invalid option, use \"dpkgs --help\" to display usage."
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echo
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return 1
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;;
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*)
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local pkg=$1 && shift
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count=$(($count + 1))
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[[ $count -gt 1 ]] &&
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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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esac
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done
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[[ $count -lt 1 ]] &&
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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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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 $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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