class Pry module DefaultCommands Input = Pry::CommandSet.new do command "!", "Clear the input buffer. Useful if the parsing process goes wrong and you get stuck in the read loop." do output.puts "Input buffer cleared!" eval_string.replace("") end command "show-input", "Show the current eval_string" do render_output(false, 0, Pry.color ? CodeRay.scan(eval_string, :ruby).term : eval_string) end command /amend-line-?(\d+)?/, "Experimental amend-line, where the N in amend-line-N represents line to replace. Aliases: %N", :interpolate => false, :listing => "amend-line-N" do |line_number, replacement_line| replacement_line = "" if !replacement_line input_array = eval_string.each_line.to_a line_num = line_number ? line_number.to_i : input_array.size - 1 input_array[line_num] = arg_string + "\n" eval_string.replace input_array.join end alias_command /%(\d+)?/, /amend-line-?(\d+)?/, "" command "hist", "Show and replay Readline history. Type `hist --help` for more info." do |*args| Slop.parse(args) do |opt| history = Readline::HISTORY.to_a opt.banner "Usage: hist [--replay START..END] [--clear] [--grep PATTERN] [--head N] [--tail N] [--help]\n" opt.on :g, :grep, 'A pattern to match against the history.', true do |pattern| pattern = Regexp.new arg_string.split(/ /)[1] history.pop history.map!.with_index do |element, index| if element =~ pattern "#{text.blue index}: #{element}" end end stagger_output history.compact.join "\n" end opt.on :head, 'Display the first N items of history', :optional => true, :as => Integer do |limit| unless opt.grep? limit ||= 10 list = history.first limit lines = text.with_line_numbers list.join("\n"), 0 stagger_output lines end end opt.on :t, :tail, 'Display the last N items of history', :optional => true, :as => Integer do |limit| unless opt.grep? limit ||= 10 offset = history.size-limit offset = offset < 0 ? 0 : offset list = history.last limit lines = text.with_line_numbers list.join("\n"), offset stagger_output lines end end opt.on :s, :show, 'Show the history corresponding to the history line (or range of lines).', true, :as => Range do |range| unless opt.grep? start_line = range.is_a?(Range) ? range.first : range lines = text.with_line_numbers Array(history[range]).join("\n"), start_line stagger_output lines end end opt.on :e, :exclude, 'Exclude pry commands from the history.' do unless opt.grep? history.map!.with_index do |element, index| unless command_processor.valid_command? element "#{text.blue index}: #{element}" end end stagger_output history.compact.join "\n" end end opt.on :r, :replay, 'The line (or range of lines) to replay.', true, :as => Range do |range| unless opt.grep? actions = Array(history[range]).join("\n") + "\n" Pry.active_instance.input = StringIO.new(actions) end end opt.on :c, :clear, 'Clear the history' do unless opt.grep? Readline::HISTORY.shift until Readline::HISTORY.empty? output.puts 'History cleared.' end end opt.on :h, :help, 'Show this message.', :tail => true do unless opt.grep? output.puts opt.help end end opt.on_empty do lines = text.with_line_numbers history.join("\n"), 0 stagger_output lines end end end end end end