def main():
usage = "usage: %prog [options] arg"
parser = OptionParser(usage)
parser.add_option("-d", "--inputdirectory", action="store", dest="indir")
parser.add_option("-f", "--mergedfilename", action="store", dest="file", help="Filename for merged file")
parser.add_option("-o", "--outputdirectory", action="store", dest="outdir", default="~/", help="Default directory: "+abspath(expanduser('~/')))
(options, args) = parser.parse_args()
if not options.indir:
parser.error('Input directory not provided')
if not options.file:
parser.error('Output merged filename not provided')
sourcedirectory = options.indir
mergedfilename = options.file
mergeddirectory = abspath(expanduser(options.outdir))
filegroup = files( info(sourcedirectory).listfullpathfiles() )
filegroup.mergeinto(join(mergeddirectory,mergedfilename))
print "%s/%s" % (mergeddirectory,mergedfilename)