Changeset 28 for trunk/bin/bletchley-decode

Timestamp:

12/21/12 22:44:29 (12 years ago)

Author:

tmorgan

Message:

more documentation
added supported encodings listing

File:

• trunk/bin/bletchley-decode (modified) (1 diff)

trunk/bin/bletchley-decode

@@ -28 +28 @@
 
 
-parser = argparse.ArgumentParser(description='A simple decoder script that is useful in shell scripts.')
-parser.add_argument('input_file', nargs='?', default=None,
-                    help='File containing encrypted blobs to analyze, one per line. Omit to read from stdin.')
-parser.add_argument('-e', dest='encoding_chain', type=str, required=True,
-                    help='Comma-separated sequence of encoding formats used to encode the token.')
+parser = argparse.ArgumentParser(
+    description='A simple decoder script that is useful in shell scripts.'
+    ' For more information, see:  http://code.google.com/p/bletchley/wiki/Overview')
+parser.add_argument(
+    'input_file', nargs='?', default=None,
+    help='File containing encrypted blobs to analyze, one per line.'
+    ' Omit to read from stdin.')
+parser.add_argument(
+    '-e', dest='encoding_chain', type=str, required=True,
+    help='Comma-separated sequence of encoding formats used to encode the token.'
+    ' (Use "?" for a listing of supported encodings.)')
 options = parser.parse_args()
+
+if options.encoding_chain == '?':
+    print('\n\t'.join(['Supported encodings:']+blobtools.supportedEncodings()))
+    sys.exit(0)
 
 input_file = sys.stdin