function d() {
  if [ -n "$1" ]; then
    if [ -d "$1" ]; then
      pushd $1 >/dev/null
      mvim -c :NT
      popd >/dev/null
    else
      echo "$1 is not a directory"
    fi
  else
    echo "specify a directory to edit"
  fi
}

alias e='mvim'

alias sp='spec -cfs -Du'
alias spb='spec -bcfs -Du'