# make sure errors are put into the logfile
	# i.e. print STDERR "weird" ~ not in logfile
	# 		warn "freaky"		~ in logfile (and the screen)
	#		die "AAaaarrrrrgh!" ~ in logfile
	$SIG{__WARN__} = sub {print $log_file @_;print STDOUT @_};
	$SIG{__DIE__} = sub {print $log_file @_;print STDOUT @_;exit 1};