#!/usr/bin/env ruby

ARGV.each do |path|
  files = Dir[File.join(path, '**', '*.jpg')]

  # find duplicate names. first variant
  files.map do |f|
    # cache current basename
    basename = File.basename(f)
    duplicates = files.count { |another| basename == File.basename(another) }
    puts "#{duplicates} - #{f}"
  end

  # find duplicate names. second variant
  duplicates = {}
  files.each do |f|
    basename = File.basename(f)
    if duplicates[basename].nil?
      duplicates[basename] = files.map { |f| basename == File.basename(f) }
    end
  end
end