Add run script.

This script allows you to launch several images
from this repository once they're built.

Make sure you add the `docker run` command
in the header of the Dockerfile so the script
can find it and execute it.

Use pulseaudio/Dockerfile and skype/Dockerfile as examples.

Signed-off-by: David Calavera <david.calavera@gmail.com>

run.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+#
+# This script allows you to launch several images
+# from this repository once they're built.
+#
+# Make sure you add the `docker run` command
+# in the header of the Dockerfile so the script
+# can find it and execute it.
+#
+# Use pulseaudio/Dockerfile and skype/Dockerfile as examples.
+
+if [ $# -eq 0 ]; then
+	echo "Usage: $0 [--test] image1 image2 ..."
+	exit 1
+fi
+
+if [ "$1" = "--test" ]; then
+	TEST=1
+	shift
+fi
+
+for name in "$@"; do
+	if [ ! -d $name ]; then
+		echo "unable to find container configuration with name $name"
+		exit 1
+	fi
+
+	script=`sed -n '/docker run/,/^#$/p' $name/Dockerfile | head -n -1 | sed -e 's/\#//' | sed -e 's/\\\//'`
+
+	if [ $TEST ]; then
+		echo $script
+	else
+		eval $script
+	fi
+
+	shift
+done