Toggle the touchpad on a DELL E6510

touchpad_toggle

#!/bin/bash
# AlpsPS/2 ALPS DualPoint TouchPad (id: 14)
enabled=`xinput --list-props 14 | grep -e "Device Enabled\ (121):\s*1"`

if [ -n "$enabled" ]; then
  xinput --set-prop 14 "Device Enabled" 0
else
  xinput --set-prop 14 "Device Enabled" 1
fi