untar

#!/usr/bin/env python

from cleantar import single_prefix
import sys
import os
import time
single, msg = single_prefix(sys.argv[1])
if single:
    print 'tar file is clean; just one prefix; will untar',; sys.stdout.flush()
    for i in range(5, 0, -1):
        print i,; sys.stdout.flush()
        time.sleep(1)
    os.execv('/bin/tar', ['/bin/tar', '-xvf', sys.argv[1]])
    print "SHOULDN'T GET HERE"
    sys.exit(1)
else:
    print msg
    print '... will not untar'
    print 'if you really want to untar, run this...'
    print 'tar -xvf "%s"' % sys.argv[1]