Split cue into individual flac files

clue_flacs.sh

#!/bin/bash
# 
# author: @gin, 2013
# url: 
#
# split cue into individual flac files
# 
# dependencies:
#   sudo apt-get install flac bchunk ffmpeg
# 
# parameters:
#   path: directory where cue & ape files exits
#   prefix: base filename for individual flacs

args=$#;
path="$1";
prefix="$2"
cue_file="";
ape_file="";
wav_file="output.wav";

function prepare() {
    if [ ${args} -eq  0 ]; then
        echo "Enter a path, sample: ${0} /path/to/cue/ape/files/ prefix";
        exit 1;
    fi

    if [[ -d "${path}" && ! -L "${path}" ]]; then
        cd $path;
    else
        echo "Error entering to ${path}";
        exit 1;
    fi

    if [ "${prefix}" == "" ]; then
        prefix="flacs";
    fi

    for f in *.cue; do
        cue_file=$f;
    done
    if [ "${cue_file}" == "" -o "${cue_file}" == "*.cue" ]; then
        echo "CUE file not found";
        exit 1;
    fi

    for f in *.ape; do
        ape_file=$f;
    done
    if [ "${ape_file}" == "" -o "${ape_file}" == "*.ape" ]; then
        echo "APE file not found";
        exit 1;
    fi
}

function convert() {
    ffmpeg -i $ape_file $wav_file

    if [ $? -ne  0 ]; then exit 1; fi
    bchunk -w $wav_file $cue_file $prefix
    
    if [ $? -ne  0 ]; then exit 1; fi
    flac --best $prefix*

    if [ $? -ne  0 ]; then exit 1; fi
    rm -Rf *.wav
}

function main() {
    prepare;
    convert;
}
main