Synchronize Sketchup files between two directory

synchronize.rb

if File.extname(file) == '.skp'
  file_src  = File.join $remote_path, file
  file_dest  = File.join $model_path, file
  # if file already exists but a newer version exists on remote, we add it
  if File.exists?(file_dest) and ( File.mtime(file_src).to_i > File.mtime(file_dest).to_i )
    FileUtils.cp(file_src, file_dest)
    puts "[*] #{file} %s" % $lHandler['updated']
    yield "#{file} %s" % $lHandler['updated']
    
  # if file not exists we add it to the local library
  elsif not File.exists? file_dest
    FileUtils.cp(file_src, file_dest)
    puts "[*] #{file} %s" % $lHandler['added']
    yield "#{file} %s" % $lHandler['added']
    
  # else already up to date
  else
    puts "[ ] #{file} already up to date"
  end
end