--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/hexutil.py	Wed Jul 24 19:47:13 2013 +0200
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+
+import sys
+import argparse
+from hexfile import HexFile
+
+def hex2int(s):
+    if s.startswith('0x'):
+        s = s[2:]
+        return int(s, 16)
+    raise ValueError('Hexadecimal value must begin with 0x')
+
+parser = argparse.ArgumentParser(
+   description='hexfile manipulation tool by Windel Bouwman')
+subparsers = parser.add_subparsers(title='commands', 
+         description='possible commands', dest='command')
+
+p = subparsers.add_parser('info', help='dump info about hexfile')
+p.add_argument('hexfile', type=argparse.FileType('r'))
+
+p = subparsers.add_parser('new', help='create empty hexfile')
+p.add_argument('hexfile', type=argparse.FileType('x'))
+
+p = subparsers.add_parser('add', help='add binary data from file to hexfile')
+p.add_argument('hexfile', type=argparse.FileType('r+'), help="the hexfile to add the data to")
+p.add_argument('address', type=hex2int, help="hex address")
+p.add_argument('datafile', type=argparse.FileType('rb'), help='binary file to add')
+
+def main(args):
+    if args.command == 'info':
+        hf = HexFile()
+        hf.load(args.hexfile)
+        print(hf)
+        for region in hf.regions:
+            print(region)
+    elif args.command == 'new':
+        hf = HexFile()
+        hf.save(args.hexfile)
+    elif args.command == 'add':
+        hf = HexFile()
+        hf.load(args.hexfile)
+        data = args.datafile.read()
+        hf.addRegion(args.address, data)
+    else:
+        raise NotImplementedError()
+
+if __name__ == '__main__':
+    args = parser.parse_args()
+    if not args.command:
+        parser.print_usage()
+        sys.exit(1)
+    main(args)
+