#!/bin/bash
case $1 in
"usage")
  echo "$(basename $0) [BASENAME]"
  echo "  Open \$TODO_DIR/BASENAME.txt in \$EDITOR."
  echo "  If BASENAME is not given, defaults to 'todo'."
  ;;
*)
  FILE=${2:-todo}.txt
  $EDITOR $TODO_DIR/$FILE
  ;;
esac