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47 lines
1.6 KiB
Bash
Executable File
47 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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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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#------------------------------------------------------------------------
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QUALITY=$(grep $INTERFACE /proc/net/wireless | awk '{ print int($3 * 100 / 70) }')
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#------------------------------------------------------------------------
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echo $QUALITY% # full text
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echo $QUALITY% # short text
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# color
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if [[ $QUALITY -ge 80 ]]; then
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echo "#00FF00"
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elif [[ $QUALITY -lt 80 ]]; then
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echo "#FFF600"
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elif [[ $QUALITY -lt 60 ]]; then
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echo "#FFAE00"
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elif [[ $QUALITY -lt 40 ]]; then
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echo "#FF0000"
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fi
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