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#!/bin/bash
# UNRAR-Emulator, script to emulate nonfree unrar binary; run with bash, libarchive-tar and unar
# Copyright (C) 2015 Márcio Silva <coadde@parabola.nu>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
unrar-emulator_usage() {
echo 'UNRAR-Emulator v1.0 Free Software Copyright (C) Márcio Silva'
echo 'Script to emulate nonfree unrar binary; run with bash, libarchive-tar and unar'
echo ''
echo 'Usage: unrar <command> [-<switch1> -<switch2> ...] <archive> [...] <path_to_extract>'
echo ''
echo '<Commands>'
echo ' e Extract files without create a containing directory'
echo ' l[b],v[b] List archive contents [bare]'
echo ' x Extract files'
echo ''
echo '<Switches>'
echo ' inul Disable all messages'
echo ' o[+|-] Set the overwrite mode'
echo ' or Rename directories automatically'
echo ' p[password] Set password'
exit 0
}
command="${1}"
parameters=("${@:2}")
for parameter in "${parameters[@]}"; do
case "${parameter}" in
-inul)
verbose='no'
unar_parameters+=('-q')
;;
-o+)
unar_parameters+=('-f')
;;
-o-)
tar_parameters+=('-k')
unar_parameters+=('-s')
;;
-or)
unar_parameters+=('-r')
;;
-p*)
password="${parameter/-p/}"
;;
-*)
echo "ERROR: Unknown option: ${parameter/-/}"
exit 1
;;
*)
if [ -z "${archive}" ]; then
archive="${parameter}"
elif [ -n "${archive}" ]; then
directory="${parameter}"
fi
;;
esac
done
if [ -z "${command}" ] || [ -z "${parameters}" ] || [ -z "${archive}" ]; then
unrar-emulator_usage
fi
if [ "$command" == 'x' ]; then
if [ -z "${password}" ]; then
if [ -z "${directory}" ]; then
unar "${unar_parameters[@]}" -k skip "${archive}"
elif [ -n "${directory}" ]; then
unar "${unar_parameters[@]}" -k skip -o "${directory}" "${archive}"
fi
elif [ -n "${password}" ]; then
if [ -z "${directory}" ]; then
unar "${unar_parameters[@]}" -k skip -p "${password}" "${archive}"
elif [ -n "${directory}" ]; then
unar "${unar_parameters[@]}" -k skip -p "${password}" -o "${directory}" "${archive}"
fi
fi
elif [ "${command}" == 'e' ]; then
if [ -z "${password}" ]; then
if [ -z "${directory}" ]; then
unar -D "${unar_parameters[@]}" -k skip "${archive}"
elif [ -n "${directory}" ]; then
unar -D "${unar_parameters[@]}" -k skip -o "${directory}" "${archive}"
fi
elif [ -n "${password}" ]; then
if [ -z "${directory}" ]; then
unar -D "${unar_parameters[@]}" -k skip -p "${password}" "${archive}"
elif [ -n "${directory}" ]; then
unar -D "${unar_parameters[@]}" -k skip -p "${password}" -o "${directory}" "${archive}"
fi
fi
elif [ "${command}" == 'l' ] || [ "${command}" == 'lt' ] || [ "${command}" == 'lta' ] || [ "${command}" == 'v' ] || [ "${command}" == 'vt' ] || [ "${command}" == 'vta' ]; then
if [ "${verbose}" != 'no' ]; then
bsdtar tv "${tar_parameters[@]}" -f "${archive}"
else
exit 0
fi
elif [ "${command}" == 'lb' ] || [ "${command}" == 'vb' ]; then
if [ "${verbose}" != 'no' ]; then
bsdtar t "${tar_parameters[@]}" -f "${archive}"
else
exit 0
fi
else
unrar-emulator_usage
fi
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