Class: IRB::Command::IrbInfo

Inherits:
Base show all
Defined in:
lib/irb/command/irb_info.rb

Instance Attribute Summary

Attributes inherited from Base

#irb_context

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/irb_info.rb', line 11

def execute(_arg)
  str  = "Ruby version: #{RUBY_VERSION}\n"
  str += "IRB version: #{IRB.version}\n"
  str += "InputMethod: #{IRB.CurrentContext.io.inspect}\n"
  str += "Completion: #{IRB.CurrentContext.io.respond_to?(:completion_info) ? IRB.CurrentContext.io.completion_info : 'off'}\n"
  rc_files = IRB.irbrc_files
  str += ".irbrc paths: #{rc_files.join(", ")}\n" if rc_files.any?
  str += "RUBY_PLATFORM: #{RUBY_PLATFORM}\n"
  str += "LANG env: #{ENV["LANG"]}\n" if ENV["LANG"] && !ENV["LANG"].empty?
  str += "LC_ALL env: #{ENV["LC_ALL"]}\n" if ENV["LC_ALL"] && !ENV["LC_ALL"].empty?
  str += "East Asian Ambiguous Width: #{Reline.ambiguous_width.inspect}\n"
  if RbConfig::CONFIG['host_os'] =~ /mswin|msys|mingw|cygwin|bccwin|wince|emc/
    codepage = `chcp`.b.sub(/.*: (\d+)\n/, '\1')
    str += "Code page: #{codepage}\n"
  end
  puts str
  nil
end