class Byebug::HistoryCommand

def description
  %{hist[ory] [num_cmds]\t\tShow byebug's command history}
end

def execute
  if Byebug::Setting[:autosave]
    if arg = @match[:num_cmds]
      size = get_int(arg, 'history', 1, Byebug::Setting[:histsize])
    end
    print Byebug::History.to_s(size || Byebug::Setting[:histsize])
  else
    errmsg "Not currently saving history. Enable it with \"set autosave\"\n"
  end
end

def names
  %w(history)
end

def regexp
  /^\s* hist(?:ory)? (?:\s+(?<num_cmds>.+))? \s*$/x
end