Class: IRB::Command::History
Instance Attribute Summary
Attributes inherited from Base
Instance Method Summary collapse
Methods inherited from Base
category, description, execute, help_message, #initialize
Constructor Details
This class inherits a constructor from IRB::Command::Base
Instance Method Details
#execute(arg) ⇒ Object
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# File 'lib/irb/command/history.rb', line 15 def execute(arg) if (match = arg&.match(/(-g|-G)\s+(?<grep>.+)\s*\z/)) grep = Regexp.new(match[:grep]) end formatted_inputs = irb_context.io.class::HISTORY.each_with_index.reverse_each.filter_map do |input, index| next if grep && !input.match?(grep) header = "#{index}: " first_line, *other_lines = input.split("\n") first_line = "#{header}#{first_line}" truncated_lines = other_lines.slice!(1..) # Show 1 additional line (2 total) other_lines << "..." if truncated_lines&.any? other_lines.map! do |line| " " * header.length + line end [first_line, *other_lines].join("\n") + "\n" end Pager.page_content(formatted_inputs.join) end |