flac2mp3

#!/bin/bash

# flac2mp3 - jzu@free.fr 2013 - WTFPL
# Converts FLAC files to MP3 (hq), transferring metadata in the process
# Puts MP3s in a subdirectory of ../mp3/, or a directory given by -d
# Needs flac, lame, eyeD3
# FLACs generated by "ripit -c 2 --nointeraction --comment cddbid -eject"


export LANG=C
export LC_ALL=C

ls *.flac > /dev/null || \
  exit 1

export MP3DIR="../mp3/`basename \"$PWD\"`"
[ "$1" = "-d" -a -n "$2" ] && \
    export MP3DIR="$2"

mkdir -p "$MP3DIR" || \
  exit 2

for FLAC in *.flac
do
  export MP3=`echo $FLAC \
              | sed -e "s/[!']/_/g" \
                    -e 's/flac$/mp3/'`
  export WAV=${FLAC/.flac/.wav}

  flac -d "$FLAC"
  lame -V 0 --vbr-new -q 0 -m s "$WAV" "$MP3DIR/$MP3"
  /bin/rm "$WAV"

  export GENRE="`metaflac --list "$FLAC" \
                 | grep "GENRE=" \
                 | sed "s/.*GENRE=//" \
                 | iconv -f UTF-8 -t ASCII//TRANSLIT`"
  ( metaflac --list "$FLAC" \
    | grep comment\\[ \
    | egrep -v 'CATE|DESC|CDID' \
    | sed -e 's/.*: //' \
          -e "s/'/'\\\\\\''/g" \
          -e 's/TITLE=/-t "'\''/' \
          -e 's/ARTIST=/-a "'\''/' \
          -e 's/ALBUM=/-A "'\''/' \
          -e 's/DATE=/-Y "'\''/' \
          -e 's/TRACKNUMBER=/-n "'\''/' \
          -e "s/GENRE=.*/-G \"'$GENRE/" \
          -e 's/$/''\'\''"/' \
    | xargs echo eyeD3 -2 -N `ls *.flac \
                              | wc -l`
    echo \'$MP3DIR/$MP3\' ) \
  | sed ':a;N;$!ba;s/\([^\n]\)\n/\1 /g'
done > /tmp/conv2_$$
sed 's/eyeD3 -2 /eyeD3 -1 /' < /tmp/conv2_$$ > /tmp/conv_$$
cat /tmp/conv2_$$ >> /tmp/conv_$$

sh /tmp/conv_$$

/bin/rm /tmp/conv_$$ /tmp/conv2_$$