function tab () {
  CURRENT_RVM=$rvm_ruby_string
  osascript 2>/dev/null <<EOF
    tell application "System Events"
      tell process "Terminal" to keystroke "t" using command down
        end
        tell application "Terminal"
      activate
      do script with command "cd $PWD; rvm $CURRENT_RVM; $*" in window 1
    end tell
    tell application "System Events"
      tell process "Terminal" to keystroke "{" using command down
        end
EOF
}