Bash script to open a new terminal window in the existing window's directory

tup.sh

#!/bin/sh
# Stolen from stackoverflow.com/questions/1589114/opening-a-new-terminal-tab-in-osxsnow-leopard-with-the-opening-terminal-window
# Add as a file named `tup` somewhere on your $PATH (e.g., ~/bin

pwd=`pwd`
osascript -e "tell application \"Terminal\"" \
    -e "tell application \"System Events\" to keystroke \"t\" using {command down}" \
    -e "do script \"cd $pwd; clear\" in front window" \
    -e "end tell"
    > /dev/null