ruby/lib/irb/help.rb

29 строки
603 B
Ruby

# frozen_string_literal: false
#
# irb/help.rb - print usage module
# by Keiju ISHITSUKA(keiju@ishitsuka.com)
#
module IRB
# Outputs the irb help message, see IRB@Command+line+options.
def IRB.print_usage
lc = IRB.conf[:LC_MESSAGES]
path = lc.find("irb/help-message")
space_line = false
File.open(path){|f|
f.each_line do |l|
if /^\s*$/ =~ l
lc.puts l unless space_line
space_line = true
next
end
space_line = false
l.sub!(/#.*$/, "")
next if /^\s*$/ =~ l
lc.puts l
end
}
end
end