Support for the Ruby 2.4 series has ended. See here for reference.
# File shell/builtin-command.rb, line 73 def each(rs = nil) if @pattern[0] == ?/ @files = Dir[@pattern] else prefix = @shell.pwd+"/" @files = Dir[prefix+@pattern].collect{|p| p.sub(prefix, "")} end rs = @shell.record_separator unless rs for f in @files yield f+rs end end