Add script to find duplicate icons

Change-Id: I1a314d1ca98194eaef7c27ab9b1f3cef08cc0f12

bin/find-duplicated-files.py

+#!/usr/bin/env python3
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+import os
+import sys
+
+from filecmp import dircmp
+
+"""
+This script compares two directories and lists the files which are the same in both directories.
+Intended to find duplicate icons among icon themes.
+
+Adopted from the example at https://docs.python.org/3.5/library/filecmp.html
+
+Usage: ./bin/findduplicatefiles dir1 dir2
+"""
+
+def print_diff_files(dcmp):
+    for name in dcmp.same_files:
+        print("%s found in %s and %s" % (name, dcmp.left, dcmp.right))
+    for sub_dcmp in dcmp.subdirs.values():
+        print_diff_files(sub_dcmp)
+
+if len(sys.argv) != 3:
+    print("Usage: %s dir1 dir2" % sys.argv[0])
+    exit()
+
+dir1 = sys.argv[1]
+dir2 = sys.argv[2]
+
+if not os.path.isdir(dir1) or not os.path.isdir(dir2):
+    print("Arguments must be directories!")
+    exit()
+
+dcmp = dircmp(dir1, dir2)
+print_diff_files(dcmp)
+