if_file_exist_in_dir1_find_in_dir_2.rb

#developed by Maile Thiesen
#!/usr/bin/ruby
#help from http://stackoverflow.com/users/256970/cary-swoveland
#http://stackoverflow.com/questions/37571258/ruby-how-to-copy-files-to-a-specific-directory-if-the-file-does-not-exist/37681206#37681206

require 'FileUtils'

library_path_1 = ARGV[0]
library_path_2 = ARGV[1]
library_path_3 = ARGV[2]

# check the managed media folder for files, look in original capture scratch for all files in managed media.
# if files in managed media exist in original capture scratch, copy them to the destination folder.

managed_media_folder = Dir.glob(library_path_1 + "/**/*").select{ |x| File.file? x }
original_capture_scratch = Dir.glob(library_path_2 + "/**/*").select{ |x| File.file? x }
destination = Dir.glob(library_path_3 + "/**/*").select{ |x| File.file? x }

bn = managed_media_folder.map { |fn| File.basename fn } - destination.map { |fn| File.basename fn }
original_capture_scratch.each do |fn| 
  if bn.include? File.basename(fn)
    puts fn
    FileUtils.cp(fn, library_path_3) 
  end
end