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#!/bin/busybox ash
if [ $# -eq 0 ];
then
printf "usage: %s subsystem [action]\n" "$(basename $0)" >&2
exit 1
fi
action="add"
if [ $# -eq 2 ];
then
action="$2"
fi
if [ "$1" != "all" ];
then
if [ -d /sys/class/$1 ];
then
for i in /sys/class/$1/*/uevent;
do
echo $action > $i
done
exit 0
fi
if [ -d /sys/bus/$1 ];
then
for i in /sys/bus/$1/devices/*/uevent;
do
echo $action > $i
done
exit 0
fi
if [ -d /sys/devices/$1 ];
then
for i in /sys/devices/$1/*/uevent \
/sys/devices/$1/*/*/uevent;
do
echo $action > $i
done
exit 0
fi
printf "Could not find subsystem '%s'.\n" $i >&2
exit 1
fi
exit 0
for i in /sys/class/*/*/uevent /sys/bus/*/devices/*/uevent \
/sys/devices/*/*/uevent /sys/devices/*/*/*/uevent;
do
echo $action > $i
done
exit 0
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