ruby/lib/irb/cmd/irb_info.rb

34 строки
1.0 KiB
Ruby

# frozen_string_literal: false
require_relative "nop"
module IRB
# :stopdoc:
module ExtendCommand
class IrbInfo < Nop
category "IRB"
description "Show information about IRB."
def execute
str = "Ruby version: #{RUBY_VERSION}\n"
str += "IRB version: #{IRB.version}\n"
str += "InputMethod: #{IRB.CurrentContext.io.inspect}\n"
str += ".irbrc path: #{IRB.rc_file}\n" if File.exist?(IRB.rc_file)
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
end
end
# :startdoc:
end