shell-script for opening several terminal tabs for a rails project

rp.sh

#!/bin/bash

if [ $# -ne 1 ]; then PATHDIR=`pwd`; else PATHDIR=~/Sites/"$1"; fi

/usr/bin/osascript <<EOF
set actions to {"./script/server", "bundle exec spork rspec", "bundle exec autospec", "git pull --rebase && mate ."}
  
on new_tab()
	tell application "System Events" to tell process "Terminal" \
	  to keystroke "t" using command down
end new_tab

tell application "Terminal"
	repeat with action in actions
		do script with command "cd $PATHDIR && " & action \
		in selected tab of the front window
		if action contains "spork" then
			delay 3
		end if
    my new_tab()
	end repeat
end tell
EOF