BEGIN {}
{ id = "xx" } 
{ if ( $2 != id )
	{
	print $0
	}
}
{ if ( $2 == id )
	{
	$1 = "uid"
	$2 = "gid"
	print $1"	 "$2" "$3" "$4" "$5" "$6" "$7
	}
}
END {}
