#!/bin/sh

#######################################################                
#                                                     #
# Editag MP3 0.1                                      #
# 02/Set/2004                                         #
#                                                     #
# Desenvolvido por Bruno Barros                       #
# (bfsbarros@yahoo.com.br)                            #
#                                                     #
# Este script edita a TAG id3 do MP3                  #
# de acordo com o nome do arquivo.                    #
#                                                     #
# Obs.: É necessário ter instalado                    #
# O programa 'id3ed' que pode encontrado em:          #
# http://www.dakotacom.net/~donut/programs/id3ed.html #
#                                                     #
#                                                     #
#######################################################

if [ "$1" = "-separador" -a "$2" != "" ];
then
  ls -1 *.mp3 > listademp3.tag
  total=$(wc -l listademp3.tag | cut -c 7-8 2>&1)
  sed -e 's/.mp3//g' listademp3.tag > listademp3-2.tag
  sed -e "s/$2/-/g" listademp3-2.tag > listademp3-3.tag
  for ((n=1;n<=total;n++));
  do
    artista=$(sed -n "$n,$n p" listademp3-3.tag | cut -d- -f1 2>&1)
    faixa=$(sed -n "$n,$n p" listademp3-3.tag | cut -d- -f2 2>&1)
    arquivo=$(sed -n "$n,$n p" listademp3.tag 2>&1)
    id3ed -q -s "$faixa" -n "$artista" "$arquivo"
  done    
    rm -rf listademp3*.tag
else
  echo "Parametro inválido. Utilize editag -separador <separador>"
fi