chk_empty_file.py

from __future__ import print_function
import re
import os
import sys

if __name__ == "__main__":
  try:
    root_path = sys.argv[1]
  except:
    root_path = "."
  empty_regex = re.compile(r"^\s*$")
  for root, dirs, files in os.walk(root_path, topdown=False):
    for name in files:
        with open(os.path.join(root, name), "r") as fd:
          is_empty = True
          try:
            content = fd.read()
          except:
            #raise
            continue
          for i, ln in enumerate(content.split("\n")):
            if empty_regex.match(ln) is None and ln[:2] not in [
                "# ",
                "/*",
                "*/",
                "* ",
                "#"
            ]:
              is_empty = False
              break
        if is_empty and i > 0:
          print(os.path.join(root, name))