import sys, struct, os, shutil
file = open(sys.argv[1])

try:
	destdir = sys.argv[2]
except IndexError:
	destdir ="."

headerst = "100s8s8s8s12s12s8s1s100s"

def fc(s,d,l):
	while l > 0:
		d.write(s.read(min(l,512)))
		l -= min(l,512)

header = True
while header:
	header = file.read(512)
	st = lambda s: s.strip("\x00 ")
	
	name, mode, uid, gid, size, modtime, checksum, link, linked = map(st, struct.unpack(headerst, header[:257]))
	size = int(size, 8)
	
	name = os.path.join(destdir,name)
	
	print ">> Extracting:", name, "  size:",size
	d,n = os.path.split(name)
	if not os.path.isdir(d):
		os.makedirs(d)
	if link == "0":
		nfile = open(name, "w")
		fc(file, nfile, size)
		nfile.close()
	elif link == "5":
		if not os.path.isdir(name):
			os.makedirs(name)
	else:
		print "fuunyformat:", link
		file.read(size)
	
	file.seek((512 - (file.tell() % 512)) % 512,1)