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#!/bin/sh
help() {
cat << EOF
${0}: Disable and Enable devices
options:
-e [dev] Enable dev
-d [dev] Disable dev
-t [dev] Toggle dev
-l List devices
-h Print this message and exit
Note: Nondescriptive inputs may disable (or enable) unwanted devices.
EOF
}
err() {
for line in "${@}"; do
echo "${line}" >&2
done
exit 1
}
get_id() {
if ! dev=$(xinput list --name-only | grep -i -m1 "${1}" ); then
err "${0}: Couldn't get device"
fi
id="${dev#∼ }"
}
xenable() {
echo "${id}"
if ! xinput enable "${1}" > /dev/null 2>&1; then
err "${0}: Failed to enable dev."
else
exit 0
fi
}
xdisable() {
echo "${id}"
if ! xinput disable "${1}" > /dev/null 2>&1; then
err "${0}: Failed to disable dev."
else
exit 0
fi
}
if ! command -v xinput > /dev/null 2>&1; then
err "${0}: xinput must be installed"
fi
while getopts "e:d:t:lh" option; do
case "${option}" in
e) get_id "${OPTARG}"; xenable "${id}" ;;
d) get_id "${OPTARG}"; xdisable "${id}" ;;
t)
get_id "${OPTARG}"
[ "${id}" = "${dev}" ] && xdisable "${id}"
xenable "${id}"
;;
l)
if ! xinput list 2>/dev/null; then
err "${0}: Listing Failed"
else
exit 0
fi
;;
h) help; exit ;;
*) err "Try '${0} -h' for help." ;;
esac
done
err "${0}: Invalid usage" "Try '${0} -h' for help."
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