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#!/usr/bin/env bash
# Copyright (C) 2020 hseg <gesh@gesh.uni.cx>
# Copyright (C) 2014 Alexander Keller <github@nycroth.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, 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 <http://www.gnu.org/licenses/>.
#------------------------------------------------------------------------
if [[ -z "$INTERFACE" ]] ; then
INTERFACE="${BLOCK_INSTANCE:-wlan0}"
fi
#------------------------------------------------------------------------
# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
# connection (think desktop), the corresponding block should not be displayed.
# Similarly, if the wifi interface exists but no connection is active, show
# nothing
[[ ! -d /sys/class/net/"${INTERFACE}"/wireless || \
"$(cat /sys/class/net/"$INTERFACE"/operstate)" = 'down' ]] && exit
#------------------------------------------------------------------------
SSID=$(iw "$INTERFACE" info | awk '/ssid/ {$1=""; print $0}')
#------------------------------------------------------------------------
echo "$SSID" # full text
echo "$SSID" # short text
echo "#00FF00" # color
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