Finding duplicated files

  find -type f -exec md5sum '{}' ';' | sort > md5.out
  gawk '{print $1}' md5.out | uniq -c | gawk '$1>1' > md5.dups
  for m in $( gawk '{print $2}' md5.dups )
  do
    grep ^$m md5.out
    echo
  done