Concatinates all mp3-files of a folder in right order and repairs the header of the new file afterwords. Usage: -src <folderpath> = Folder with mp3s to concatinate / -dest <filepath> = Destination for concatinated new file ATTENTION: This script is written for use under linux.

mp3join.py

#!/usr/bin/env python2.7
# -*- coding: iso-8859-1 -*-
''' Concatinate all mp3-files of a folder in right order
    and repair header afterwords.
    Usage: -s / --source <folderpath> = Folder with mp3s to concatinate.
           -d / --destination <filepath> = Destination for concatinated files
 
    ATTENTION: This script is written for use under linux (Ubuntu)
'''
import os
import argparse
from glob import glob
 
 
def mp3join(src, dest):
    #list all mp3-files and sort them magically
    filelist = glob(src + "/*.mp3")
    filelist = sorted(filelist)
    #Copy first file into tmp
    start = filelist[0]
    print "Kopiere %s nach /tmp/tmp1.mp3" % start
    os.system("cp '%s' /tmp/tmp1.mp3" % start)
    filelist.pop(0)
    #concatinate all file to tmp-file
    for mp3 in filelist:
        print "füge %s hinzu" % mp3
        os.system("cat /tmp/tmp1.mp3 '%s' > /tmp/tmp2.mp3" % mp3)
        os.system("mv /tmp/tmp2.mp3 /tmp/tmp1.mp3")
    #repair the header
    os.system("ffmpeg -i /tmp/tmp1.mp3 -c copy '%s.mp3'" % dest)
    #Clean temp
    os.system("rm /tmp/tmp1.mp3")
 
 
argp = argparse.ArgumentParser(description=__doc__)
argp.add_argument(
    "-s", "--source", default=None,
    help="Folder with mp3-files to concatinate")
argp.add_argument(
    "-d", "--destination", default=None,
    help="Target-file")
args = argp.parse_args()
 
if args.source is None:
    print "Please provide an folder with mp3-files to concatinate. [-s <folderpath> (absoulte)]"
elif args.destination is None:
    print "Please specify a destination file to concatinate to. [-d <filepath> (absolute)]"
else:
    mp3join(args.source, args.destination)