doc_sorter.rb

#!/usr/local/bin/ruby
module DocSorter
  extend self
  require 'ap'

  DOC = %w{doc docx xls odt xlsx dwg txt cdr psd ppt eml csv log xslic}
  CODE = %w{yml sql mht htm html php rb diff conf}
  PDF = %w{pdf}
  GRAPH = %w{tiff jpg jpeg bmp gif png}
  ARH = %w{zip rar 7z gz tgz bz2 bz exe jnlp msi apk xpi gem ipsw}
  EXE = %w{exe msi}
  ISO = %w{iso deb}
  MUZ = %w{mp3 wav flac rm}
  TORRENTS = %w{torrent}
  BOOKS = %w{azw mobi epub}
  COLORS = [:gray, :red, :green, :yellow, :blue,
            :purple, :cyan, :white, :black, :redish,
            :greenish, :yellowish, :blueish, :purpleish,
            :cyanish, :pale]

  def process(dir='/home/achernikov/Downloads')
    print *files_scan(dir)
  end

  def files_scan(dir='/home/achernikov/Downloads')
    puts "Processing #{dir} directory"

    files = Dir["#{dir}/*"].delete_if { |f| !File.file?(f) }

    puts "We have #{files.count} files in target dir"

    files_by_types = Hash.new { |hash, key| hash[key] = [] }
    constants.each do |const|
      const_get(const).each do |type|
        files_by_types[const.to_s.downcase.to_sym] = files.select { |file| file =~ /#{type}$/i }
      end
    end
    [files, files_by_types]
  end

  def print(files, files_by_types, options = {})
    options = {
        :file_types => {
            :color => {:string => COLORS.delete(":red") { COLORS }.sample}
        },
        :files => {
            :color => {:string => :red},
            :indent => 20
        }}.merge options

    files_by_types.each do |ftf|
      ftf.last.each { |x| files.delete(x) }
      ap ftf, options[:file_types]
    end
    ap files, options[:files]
  end

end

DocSorter.process