39 lines
1.7 KiB
Bash
Executable File
39 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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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="${BLOCK_INSTANCE:-wlan0}"
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#------------------------------------------------------------------------
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# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
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# connection (think desktop), the corresponding block should not be displayed.
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[[ ! -d /sys/class/net/${INTERFACE}/wireless ]] ||
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[[ "$(cat /sys/class/net/$INTERFACE/operstate)" = 'down' ]] && exit
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COLOR_MAC="${COLOR_MAC:-grey}"
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COLOR_FREQ="${COLOR_FREQ:-white}"
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COLOR_SIGNAL="${COLOR_SIGNAL:-#589df6}"
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COLOR_BANDWIDTH="${COLOR_BANDWIDTH:-grey}"
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echo -n " ";
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iw dev $INTERFACE link | head -8 | grep -vE '(SSID|TX|RX)' \
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| sed -e "s/.*to .*\([0-9a-f:]\{5\}\) .on.*/<span color='$COLOR_MAC'>\1<\/span>/g; s/^\s//g" \
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| tr -d "\n" \
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| sed -e "s/freq: / <span color='$COLOR_FREQ'>/g; s/signal: /<\/span> <span color='$COLOR_SIGNAL'>/g; s/mrx bitrate: \([0-9\.]*\).*tx bitrate: \([0-9\.]*\).*/<\/span> <span color='$COLOR_BANDWIDTH'>\1\/\2<\/span>/g;"
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echo ""
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