.irbrc – my Ruby IRB config

.irbrc

# encoding: utf-8

require 'rubygems' unless defined? Gem

# enables variable-name tab-completion
# I don’t care about the other features in here; I think irbtools already
#  provides them, but there’s little harm in leaving them in
# from http://www.genlinux.org/2008/12/autocomplete-in-irb.html
IRB.conf[:AUTO_INDENT] = true
IRB.conf[:USE_READLINE] = true
IRB.conf[:LOAD_MODULES] = []  unless IRB.conf.key?(:LOAD_MODULES)
unless IRB.conf[:LOAD_MODULES].include?('irb/completion')
	IRB.conf[:LOAD_MODULES] << 'irb/completion'
end

def enable_irbtools
	require 'irbtools'
	# not using `require 'irbtools/more'` because Bond self-admittedly has errors since
	#  “EditLine” is also installed, and EditLine is confusing to remove or replace
rescue LoadError => e
	# puts e.message # to help debug this rescue clause
	raise unless e.message.match(/irbtools/)
	puts "‘irbtools’ not installed - see install notes on https://github.com/janlelis/irbtools"
end
enable_irbtools

# prefabricated values of various types
#  to make it easier to start experimenting with values of those types
# `include SampleValues` to import them; `SampleValues::HASH` to reference them
module SampleValues
	HASH = {:a => 1, :b => 2}
	SYM = :wherever
	BIG_SYM = "Benjamin Franklin".to_sym
	MIXED_ARRAY = [1, 2, nil, 4, true, 6, false, "eight", 9, /ten/, :eleven, 12]
	REGEX = /a regex [w]ith character class(es)? and (?:more ?)+/
end

Gist doesn’t highlight this file correctly. It should be highlighted as Ruby code. I can’t just rename the file to .irbrc.rb because IRB doesn’t find the file in that case.