diff --git a/bin/slsb b/bin/slsb
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+#!/usr/bin/env python
+#-*- coding: utf-8 -*-
+
+# Stéganô - Stéganô is a basic Python Steganography module.
+# Copyright (C) 2010-2011  Cédric Bonhomme - http://cedricbonhomme.org/
+#
+# For more information : http://bitbucket.org/cedricbonhomme/stegano/
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>
+
+__author__ = "Cedric Bonhomme"
+__version__ = "$Revision: 0.1 $"
+__date__ = "$Date: 2011/04/06 $"
+__license__ = "GPLv3"
+
+from stegano import slsb
+
+if __name__ == '__main__':
+    # Point of entry in execution mode.
+    from optparse import OptionParser
+    parser = OptionParser(version=__version__)
+    parser.add_option('--hide', action='store_true', default=False,
+                      help="Hides a message in an image.")
+    parser.add_option('--reveal', action='store_true', default=False,
+                      help="Reveals the message hided in an image.")
+    # Original image
+    parser.add_option("-i", "--input", dest="input_image_file",
+                    help="Input image file.")
+    # Image containing the secret
+    parser.add_option("-o", "--output", dest="output_image_file",
+                    help="Output image containing the secret.")
+
+    # Non binary secret message to hide
+    parser.add_option("-m", "--secret-message", dest="secret_message",
+                    help="Your secret message to hide (non binary).")
+
+    # Binary secret to hide (OGG, executable, etc.)
+    parser.add_option("-f", "--secret-file", dest="secret_file",
+                    help="Your secret to hide (Text or any binary file).")
+    # Output for the binary binary secret.
+    parser.add_option("-b", "--binary", dest="secret_binary",
+                    help="Output for the binary secret (Text or any binary file).")
+
+    parser.set_defaults(input_image_file = './pictures/Lenna.png',
+                        output_image_file = './pictures/Lenna_enc.png',
+                        secret_message = '', secret_file = '', secret_binary = "")
+
+    (options, args) = parser.parse_args()
+
+
+    if options.hide:
+        if options.secret_message != "" and options.secret_file == "":
+            secret = options.secret_message
+        elif options.secret_message == "" and options.secret_file != "":
+            secret = tools.binary2base64(options.secret_file)
+
+        img_encoded = slsb.hide(options.input_image_file, secret)
+        try:
+            img_encoded.save(options.output_image_file)
+        except Exception, e:
+            # If hide() returns an error (Too long message).
+            print e
+
+    elif options.reveal:
+        secret = slsb.reveal(options.input_image_file)
+        if options.secret_binary != "":
+            data = tools.base642binary(secret)
+            with open(options.secret_binary, "w") as f:
+                f.write(data)
+        else:
+            print secret
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