[opensuse] Determine modification time of remote (http) file

Is there way to determine the last modification time of a file via HTTP? Specifically, I'd like to not download or parse a very large RSS file (300+ items) if it hasn't changed. TIA, Jeffrey -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org