I use rss2email and when I wanted to follow twitter with xsay, I realized I just wanted an rss to text that just output the new entries.

Even neater would be a blob delimiter in unix/linux that would allow one to command-line process in chunks larger than lines.

BTW if you like xsay you might want to check out dzen http://gotmor.googlepages.com/dzen -- David W
Oh, another good one: http://ignavus.net/software.html -- David W
XOSD rocks. although I'm re-thinking notifications (yet again). More on this later -- patrick.