#!/bin/bash

extension=""

echo "Type an extension to shuffle"
read extension

to_shuffle=$(find . -name "*.${extension}");

mkdir shuffled;

for file in $to_shuffle; do
	rand=$RANDOM
	while test -f "shuffled/$rand.${extension}"; do
		rand=$RANDOM
	done
	mv ${file} shuffled/$rand.${extension}
done

echo "Done"