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#!/bin/sh
set -e
dev=wlan0
[ $# -ge 1 ] && dev="$1"
msg()
{
local text="$*"
echo "$text"
zenity --info --timeout=1 --title="WLAN power saving" \
--text="$text" || true
}
ps_is_on()
{
[ "$(iw dev "$dev" get power_save | cut -d':' -f2 | tr -d ' ')" = on ]
}
ps_enable()
{
iw dev "$dev" set power_save on
msg "Turned $dev power saving ON"
}
ps_disable()
{
iw dev "$dev" set power_save off
msg "Turned $dev power saving OFF"
}
ps_is_on && ps_disable || ps_enable
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