Script to carry X11 Forwarding even after Sudo

xsudo.sh

#!/bin/sh

user=$1
if [ -z "$user" ]; then
    user=liquidnt
fi

displayNum=`echo $DISPLAY | sed -e 's/^.*://' -e 's/\.[0123456789]*//'`
echo "Display # = $displayNum"
cookie=`xauth list | grep ":$displayNum"`
echo "Cookie = $cookie"
cookiename=`echo $cookie | sed 's/\s*MIT-MAGIC.*$//'`
echo "Cookie Name: $cookiename"
echo -e "user = $user\n"

echo "Run the following commands: "
echo "=========================== "
echo "  sudo su - $user"
echo "  xauth list"
echo "  xauth add $cookie"
echo
echo "Run the following to remove the cookie: "
echo "====================================== "
echo "  xauth remove $cookiename"

## sudo -u $user bash -c "xauth list; xauth add $cookie; bash; xauth remove $cookiename"