Find all files of a certain type from Messages

PDF Finder

require 'shellwords'

username = "me"
filetype = ".pdf"
target = "/Users/#{username}/Desktop/pdfs"
source = "/Users/#{username}/Library/Messages/Attachments/**/*#{filetype}"

Dir[source].each do |file|
  basename = File.basename(file)
  `cp #{file} #{target.shellescape}/#{basename.shellescape}`
end