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2009-10-11
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#!/bin/sh -e
#
# users: print the number of remote users on the machine
# Copyright (C) 2009 Raphaël Pinson.
# Copyright (C) 2009 Canonical Ltd.
#
# Authors: Raphaël Pinson <raphink@ubuntu.com>
# Dustin Kirkland <kirkland@canonical.com>
#
# 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, version 3 of the License.
#
# 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 <http://www.gnu.org/licenses/>.
#
if [ "$1" = "--detail" ]; then
ps -ef | grep "sshd;.*@" | grep -v grep
exit 0
fi
# Note: we'd like to use pgrep -c, however, this isn't available in
# busybox and some distro's pgrep (and it doesn't exit non-zero).
count=`pgrep -f "sshd:.*@" | wc -l` || exit 0
[ $count -gt 0 ] && printf "\005{=b wr}%d\005{-}\005{= wr}#\005{-} " $count