Add crc32.py.

crc32.py

@@ -0,0 +1,11 @@
+import sys
+import zlib
+
+from voussoirkit import winglob
+
+patterns = sys.argv[1:]
+files = [file for pattern in patterns for file in winglob.glob(pattern)]
+for file in files:
+    with open(file, 'rb') as handle:
+        crc = zlib.crc32(handle.read())
+    print(hex(crc)[2:].rjust(8, '0'), file)