filter-by-kind

#!/usr/bin/python

import fileinput
import subprocess
import sys

i = 0
for line in fileinput.input("-"):
    out = subprocess.check_output(["/usr/bin/file", line.strip()], timeout=1)
    i += 1
    if sys.argv[1] in out.decode("utf-8"):
      print(line.strip())
      sys.stdout.flush()
    #else:
    #  print("SDF" + str(i))