# File lib/pry/commands/shell_command.rb, line 19
    def process(cmd)
      if cmd =~ /^cd\s*(.*)/i
        process_cd parse_destination($1)
      else
        pass_block(cmd)
        if command_block
          command_block.call `#{cmd}`
        else
          _pry_.config.system.call(output, cmd, _pry_)
        end
      end
    end