diff --git a/rkpad b/rkpad
new file mode 100755
index 0000000..f299bfc
--- /dev/null
+++ b/rkpad
@@ -0,0 +1,47 @@
+#! /bin/sh
+
+# Copyright (C) 2013 Ivo van Poorten
+# All rights reserved
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+MAJOR=`grep MAJOR version.h | { read A B C; echo $C; }`
+MINOR=`grep MINOR version.h | { read A B C; echo $C; }`
+
+test "$#" -eq 3 || { cat << __EOF__
+
+rkpad v$MAJOR.$MINOR
+
+usage:    rkpad size infile outfile
+
+    copy infile to outfile and pad with zeroes up to the specified size.
+    size is in blocks of 512 bytes (!) i.e. equal to the partition sizes.
+
+    e.g. rkpad 0x00002000 foo bar
+
+__EOF__
+exit
+}
+
+dd if=/dev/zero of="$3" bs=512 count=$(($1))
+
+dd if="$2" of="$3" conv=notrunc
+