dups
finds duplicate files in the supplied directories regardless the file name. It also calculates the amount of wasted storage along the way.
go get -u github.com/caelifer/dups
dups -h
Usage of ./dups:
-cpuprofile string
write cpu profile to file
-memprofile string
write memory profile to file
-output string
write output to a file. Default: STDOUT (default "-")
-stats
display runtime statistics on STDERR
-tracefile string
write trace output to a file
-workers int
Number of parallel jobs (default 64)