diff --git a/tests/batch/bam_pack_test.py b/tests/batch/bam_pack_test.py
new file mode 100755
index 0000000..d72c11d
--- /dev/null
+++ b/tests/batch/bam_pack_test.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python3
+
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# 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 2
+# 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, write to the Free Software Foundation,
+# Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+# ***** END GPL LICENCE BLOCK *****
+
+"""
+Test packing a directory of blend files.
+
+eg:
+    bam_pack_test.py /path/to/blend_files
+"""
+
+# ------------------
+# Ensure module path
+import os
+import sys
+path = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "..", "client", "cli"))
+if path not in sys.path:
+    sys.path.append(path)
+del os, sys, path
+# --------
+
+import os
+import sys
+
+
+
+def iter_files(path, filename_check=None):
+    for dirpath, dirnames, filenames in sorted(os.walk(path)):
+
+        # skip '.svn'
+        if dirpath.startswith(".") and dirpath != ".":
+            continue
+
+        for filename in sorted(filenames):
+            filepath = os.path.join(dirpath, filename)
+            if filename_check is None or filename_check(filepath):
+                yield filepath
+
+
+def iter_blends(path):
+    yield from iter_files(path, filename_check=lambda f: os.path.splitext(f)[1].lower() == ".blend")
+
+
+def pack_blend_test(blendfile):
+    TEMP_ZIP = "temp.zip"
+    argv = (
+        "pack", blendfile,
+        "--output", TEMP_ZIP,
+        "--quiet",
+        )
+
+    import bam
+    print("bam", " ".join(argv))
+    bam.main(argv)
+
+
+def pack_blend_recursive_test(
+        paths,
+        blender_bin="blender",
+        ):
+    for path in paths:
+        for f in iter_blends(path):
+            pack_blend_test(f)
+
+
+def create_argparse():
+    import os
+    import argparse
+
+    usage_text = (
+        "Run this script to extract blend-files(s) to a destination path:" +
+        os.path.basename(__file__) +
+        "--input=FILE --output=FILE [options]")
+
+    parser = argparse.ArgumentParser(description=usage_text)
+
+    # for main_render() only, but validate args.
+    parser.add_argument(
+            dest="paths", nargs="*",
+            help="Path(s) to operate on",
+            )
+    parser.add_argument(
+            "-b", "--blender", dest="blender_bin", metavar='PROGRAM',
+            help="The Blender binary used for validation",
+            )
+
+    return parser
+
+
+def main(argv=None):
+
+    if argv is None:
+        argv = sys.argv[1:]
+
+    parser = create_argparse()
+    args = parser.parse_args(argv)
+
+    pack_blend_recursive_test(
+            args.paths,
+            blender_bin=args.blender_bin or "blender",
+            )
+
+
+if __name__ == "__main__":
+    main()
+