A shell script to get the Chromebook's touchpad status

tpstat.sh

### Script to get the status of the Trackpad device
#DEBUG=''
[[ -n "$DEBUG" ]] && set -x
TP=''
TPSTATE=''
TPSTATUS=''
#VERBOSE=''

## Get Trackpad ID number from Crosh
#+ Write a custom crosh script to get the trackpad id number
echo "crosh <<ENDCROSH
inputcontrol --names
exit
ENDCROSH" 2>&1 >/tmp/cr-gettpid.sh

#+ Run the custom crosh script to get the trackpad id number
sh /tmp/cr-gettpid.sh 2>&1 > /tmp/tp.id
TP=`grep -i trackpad /tmp/tp.id | cut -d : -f1`
[[ -n "$VERBOSE" ]] && echo -n "Trackpad ID is $TP"

## Get Trackpad status and report it
TPSTATUS="`/opt/google/touchpad/tpcontrol status| awk \"/^DEVICE: $TP/{c=3}c&&c--\" | tail -n 1 | awk '{ print $NF }'`"
if [ "$TPSTATUS" = 0 ]; then TPSTATE='OFF'; else TPSTATE='ON'; fi

[[ -n "$VERBOSE" ]] && echo " and shoud be $TPSTATE now..."

[[ -n "$DEBUG" ]] && set +x

exit $TPSTATUS