fdups - Find file duplicates in given path(s) or current working directory

fdups

#! /bin/sh

fdups1()
{
	find "${1:-.}" -type f -printf '%s\n' |
	sort -n |
	uniq -d |
	xargs -I@@ -n1 find "${1:-.}" -type f -size @@c -exec md5sum {} \; |
	sort -k1,32 |
	uniq -w32 -d --all-repeated=separate |
	sed 's/^[^ ]\+ \+//'
}

for path
do
	fdups1 "$path"
	echo
done