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37 lines
1.5 KiB
Bash
Executable File
37 lines
1.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (C) 2018 borgified <borgified@gmail.com>
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# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#------------------------------------------------------------------------
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INTERFACE="${INTERFACE:-wlan0}"
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#------------------------------------------------------------------------
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# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
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# connection (think desktop), the corresponding block should not be displayed.
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[[ ! -d /sys/class/net/${INTERFACE}/wireless ]] ||
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[[ "$(cat /sys/class/net/$INTERFACE/operstate)" = 'down' ]] && exit
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#------------------------------------------------------------------------
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ESSID=$(/sbin/iwconfig $INTERFACE | perl -n -e'/ESSID:"(.*?)"/ && print $1')
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#------------------------------------------------------------------------
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echo $ESSID # full text
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echo $ESSID # short text
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