Experiment with find as a road to Gyp sanity.

gyp/find.py

Index: gyp/find.py
diff --git a/gyp/find.py b/gyp/find.py
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+# Copyright 2015 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+'''
+find.py is a poor-man's emulation of `find $1 -name=$2` on Unix.
+
+Call python find.py <directory> <glob> to list all files matching glob under
+directory (recursively).  E.g.
+   $ python find.py ../tests/ '*.cpp'
+will print all .cpp files under ../tests/.
+'''
+
+import fnmatch
+import os
+import sys
+
+for d, kids, files in os.walk(sys.argv[1]):
+  for f in files:
+    if fnmatch.fnmatch(f, sys.argv[2]):
+      print os.path.join(d, f).replace('\\', '/')  # Gyp wants Unix paths.