#!/bin/bash
 
# Export X display variable (in order for script to have access to desktop)
export DISPLAY=:0
 
# Extract new code from STDIN using awk parser, head and
# tail commands for first line in the message body
NEW_CODE=$(cat /dev/stdin | awk '/Content-Type: text\/plain;/,G' | head -3 | tail -1)
 
# Extract old code from temp file
OLD_CODE=$(cat ~/scripts/old_code)
 
# If, and only if new code is different from the old code
# use xdotool to simulate typing it to active window
# and store new code in a temp file
if [ "$NEW_CODE" != "$OLD_CODE" ]
then
    xdotool getactivewindow type "$NEW_CODE"
    xdotool key Return
    echo "$NEW_CODE" > ~/scripts/old_code
fi