# File lib/bee_task_default.rb, line 1282
      def untar(parameters)
        require 'archive/tar/minitar'
        require 'zlib'
        params_desc = {
          :src  => { :mandatory => true,  :type => :string },
          :dest => { :mandatory => false, :type => :string, :default => '.' }
        }
        check_parameters(parameters, params_desc)
        src  = parameters[:src]
        dest = parameters[:dest]
        error "untar 'src' parameter must be an readable TAR archive" unless
          File.exists?(src) and File.readable?(src)
        FileUtils.makedirs(dest) if not File.exists?(dest)
        puts "Extracting TAR file '#{src}' to '#{dest}'"
        begin
          if src =~ /\.tar\.gz$/ or src =~ /\.tgz$/
            tgz = Zlib::GzipReader.new(File.open(src, 'rb'))
            Archive::Tar::Minitar.unpack(tgz, dest)
          else
            Archive::Tar::Minitar.unpack(src, dest)
          end
        rescue
          error "Error extracting TAR archive: #{$!}"
        end
      end