simevent

#!/bin/sh
#
# Simulate add/remove events by writing directly
# into the uevent files.

if [ "$#" -ne 1 ] || [ "$1" != add ] && [ "$1" != remove ]; then
	# warning: can't trust $0, better off just hard coding the name
	# echo "usage: simevent add|remove" 1>&2
	printf "usage: %s add|remove\n" "${0##*/}" 1>&2
	exit 1
fi

find /sys/devices -type f -path '*/dev' -exec \
	sh -c 'for f do printf %s\\n "$0" > "${f%/*}"/uevent; done' "$1" {} +