1 files changed, 83 insertions, 0 deletions
diff --git a/src/groups.sh b/src/groups.sh
new file mode 100755
index 0000000..dd32c63
--- /dev/null
+++ b/src/groups.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+# groups -- print the groups a user is in
+# Copyright (C) 1991, 1997, 2000, 2002, 2004-2007 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=@bindir@:$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 <@PACKAGE_BUGREPORT@>."
+
+version='groups (@GNU_PACKAGE@) @VERSION@
+Copyright (C) @RELEASE_YEAR@ 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