#!/bin/sh

## Read artist name
artist="";
while [ -z "$artist" ]; do
  read -p "Artist: " artist
done

## Read album name
album="";
while [ -z "$album" ]; do
  read -p "Album: " album
done

## Read year
read -p "Year: " year
year=$(expr $year + 0 2>/dev/null)

## Read genre
genre="";
while [ -z "$genre" ]; do
  read -p "Genre: " genre
  [ \( "$genre" != "L" \) -a  \( "$genre" != "l" \) ] && break
  id3v2 -L | column
  genre="";
done
genre=$(expr $genre * 1 2>/dev/null)
[ -z "$genre" ] && genre=255

## Read all titles
echo "Titles:"
t=1;
while true; do
  read title
  [ -z "$title" ] && break;
  title=$(echo $title | sed 's/^[0-9]*. //')
  file=$(printf "%02d*.mp3" $t)
  id3v2 -a "$artist" -A "$album" -y "$year" -g "$genre" -T $t -t "$title" $file
  t=$(expr $t + 1)
done