diff --git a/test_all.py b/test_all.py
new file mode 100644
index 0000000..9009870
--- /dev/null
+++ b/test_all.py
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+#
+# Test all of the docker images.
+#
+
+import argparse
+import multiprocessing
+import os
+import subprocess
+import sys
+
+import image_names
+
+parser = argparse.ArgumentParser(description = 'Batch testing of PLplot in various linux distros using Docker')
+
+parser.add_argument('--max_processes', dest='maxp', type=int, required=False, default=2,
+                    help = "The maximum number of processes to run in parallel.")
+
+args = parser.parse_args()
+
+
+def mp_worker(docker_image):
+    print("Starting", docker_image)
+    cmd = ["docker", "run", docker_image]
+    out = subprocess.check_output(cmd, stderr = subprocess.STDOUT)
+    with open(docker_image.split("/")[1] + ".txt", "wb") as outfp:
+        outfp.write(out)
+    print("Finished", docker_image)
+
+docker_images = []
+for elt in image_names.names:
+    docker_images.append(elt[0])
+    
+pool = multiprocessing.Pool(args.maxp)
+pool.map(mp_worker, docker_images)