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- #!/bin/sh
- # groups -- print the groups a user is in
- # Copyright (C) 1991, 1997, 2000, 2002, 2004, 2006 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 2, 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, write to the Free Software Foundation,
- # Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- # Written by David MacKenzie <djm@gnu.ai.mit.edu>.
-
- # Make sure we get GNU id, if possible; also allow
- # it to be somewhere else in PATH if not installed yet.
- PATH=/usr/bin:$PATH
-
- usage="Usage: $0 [OPTION]... [USERNAME]...
-
- --help display this help and exit
- --version output version information and exit
-
- Same as id -Gn. If no USERNAME, use current process.
-
- Report bugs to <bug-coreutils@gnu.org>."
-
- version='groups (GNU coreutils) 6.4
- Copyright (C) 2006 Free Software Foundation, Inc.
- This is free software. You may redistribute copies of it under the terms of
- the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
- There is NO WARRANTY, to the extent permitted by law.
-
- Written by David MacKenzie.'
-
-
- for arg
- do
- case $arg in
- --help | --hel | --he | --h)
- exec echo "$usage" ;;
- --version | --versio | --versi | --vers | --ver | --ve | --v)
- exec echo "$version" ;;
- --)
- shift
- break ;;
- -*)
- echo "$0: invalid option: $arg" >&2
- exit 1 ;;
- esac
- done
-
- # With fewer than two arguments, simply exec "id".
- case $# in
- 0|1) exec id -Gn -- "$@" ;;
- esac
-
- # With more, we need a loop, and be sure to exit nonzero upon failure.
- status=0
- write_error=0
-
- for name
- do
- if groups=`id -Gn -- "$name"`; then
- echo "$name : $groups" || {
- status=$?
- if test $write_error = 0; then
- echo "$0: write error" >&2
- write_error=1
- fi
- }
- else
- status=$?
- fi
- done
-
- exit $status
-