global

def yaml_load(input, *args)
 begin
  if YAML.respond_to?(:safe_load)
    begin
      YAML.safe_load(input, *args)
    rescue ArgumentError
      YAML.safe_load(input, permitted_classes: args[0], permitted_symbols: args[1], aliases: args[2])
    end
  else
    YAML.load(input)
  end
 rescue Psych::SyntaxError => e
   warn "*** YAML syntax error: #{e}"
   exit 65 # EX_DATAERR
 end
end