urldecode helper

diff --git a/bin/bin/urldecode b/bin/bin/urldecode
new file mode 100755 (executable)
index 0000000..7a9d144
--- /dev/null
+++ b/bin/bin/urldecode
@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+echo "$@" | exec perl -npe 'y/+/ /; s/%([\da-f]{2})/pack H2,$1/gie'