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wifi_quality
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2009-10-11
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#!/bin/sh -e
#
# wifi_quality: display wifi signal quality
# Copyright (C) 2008 Canonical Ltd.
#
# Authors: 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 [ "$1" = "--detail" ]; then
/sbin/iwconfig 2>/dev/null
exit 0
fi
iwconfig=`/sbin/iwconfig 2>/dev/null`
bitrate=`echo "$iwconfig" | grep "Bit Rate." | sed -e "s/^.*Bit Rate.//" -e "s/ .*$//g"`
[ -z "$bitrate" ] && bitrate="0"
quality=`echo "$iwconfig" | grep "Link Quality." | sed -e "s/^.*Link Quality.//" -e "s/ .*$//g"`
echo | awk "{printf \"\005{=b Ck}%s\005{-}\005{= Ck}Mb/s,\005{-}\005{=b Ck}%d\005{-}\005{= Ck}%%\005{-} \", $bitrate, 100*$quality}"