Reads fdupes(-r1) output and create relative symbolic links for each duplicate

lndupes.py

#!/usr/bin/env python
# source: https://gist.github.com/filipenf/e9901883d66b8da65c151cf674e5f2a9
#
# Reads fdupes(-r -1) output and create relative symbolic links for each duplicate
# usage: fdupes -r1 . | ./lndupes.py

import os
from os.path import dirname, relpath, basename, join
import sys
import shlex

lines = sys.stdin.readlines()

for line in lines:
    files = shlex.split( line.strip() )
    first = files[0]
    print "First: %s "% first
    for dup in files[1:]:
        rel = os.path.relpath(dirname(first), dirname(dup))
        print "Linking duplicate: %s to %s" % (dup, join(rel,basename(first)))
        os.unlink(dup)
        os.symlink(join(rel,basename(first)), dup)