coreutils/tests/misc/groups-version.sh

#!/bin/sh
# ensure groups --version output is similar to id --version

# Copyright (C) 2007-2022 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ groups

groups --version | sed 's/^groups/id/; /^$/q' > out || fail=1
id --version | sed '/^$/q' > exp || fail=1

compare exp out || fail=1

Exit $fail