flac2mp3

#!/bin/bash
#
# Copyright 2008 Octavio Ruiz
# Distributed under the terms of the GNU General Public License v3
# $Header: $
#
# Yet Another FLAC to MP3 script
#
# Author:
# Octavio Ruiz (Ta^3) <tacvbo@tacvbo.net>
# Thanks:
# Those comments at:
# http://www.linuxtutorialblog.com/post/solution-converting-flac-to-mp3
# WebPage:
# https://github.com/tacvbo/yaflac2mp3/tree
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY. YOU USE AT YOUR OWN RISK. THE AUTHOR
# WILL NOT BE LIABLE FOR DATA LOSS, DAMAGES, LOSS OF PROFITS OR ANY
# OTHER KIND OF LOSS WHILE USING OR MISUSING THIS SOFTWARE.
# See the GNU General Public License for more details.
#
# Modified by woohoo
#
# you need zenity package for notifications.
# please note that you can put this script in ~/.gnome2/nautilus-scripts
# and it will show up in right-click menu in any folder in gnome.
#
# modify the lame options to your preference example change -b 320 to -b 128 or -b 192 or -b 256
# LAME_OPTS="--vbr-new -V 0 -b 256"
# LAME_OPTS="-V 0 --vbr-new"

LAME_OPTS="-b 320 -h --cbr"

old_IFS=${IFS}
IFS='
'

# when running from nautilus-scripts, it useful to find the current folder
base="`echo $NAUTILUS_SCRIPT_CURRENT_URI | cut -d'/' -f3- | sed 's/%20/ /g'`"
if [ -z "$NAUTILUS_SCRIPT_SELECTED_FILE_PATHS" ]; then
  dir="$base"
else
  while [ ! -z "$1" -a ! -d "$base/$1" ]; do shift; done
  dir="$base/$1"
fi

if [ "$dir" != "" ]; then
  cd "$dir"
fi

id3v2=$(which id3v2)

files=`find . -type f -regex '^.+\.flac$' | sort`

declare -i nn=0
for file in ${files}
do
  fn=$(readlink -f "$file")
  vars=( `metaflac --no-utf8-convert --export-tags-to=- "${fn}"` )

  for N_vars in ${!vars[@]}
  do
    export "$(echo "${vars[${N_vars}]%=*}" | tr [:upper:] [:lower:])=${vars[${N_vars}]#*=}"
  done

  dest=`echo "$fn"|sed -e 's/\.flac$/\.mp3/'`

  flac -dc "$fn" |\
    lame --ignore-tag-errors --add-id3v2 ${LAME_OPTS} \
        ${artist:+--ta} ${artist} \
        ${tracknumber:+--tn} ${tracknumber} \
        ${title:+--tt} ${title} \
        ${album:+--tl} ${album} \
        ${date:+--ty} ${date} \
        ${genre:+--tg} ${genre} \
        ${comment:+--tc} ${comment} \
        - $dest

    [[ -x ${id3v2} ]] && ${id3v2} \
        ${artist:+--artist} ${artist} \
        ${tracknumber:+--track} ${tracknumber} \
        ${title:+--song} ${title} \
        ${album:+--album} ${album} \
        ${date:+--year} ${date} \
        ${genre:+--genre} ${genre} \
        ${comment:+--comment} ${comment} \
        $dest

  let nn=nn+1
done

zenity --notification --text "Finished converting flac to mp3.${IFS}Processed ${nn} files."
#zenity --info --text "Done!"
IFS=${old_IFS}