Brett Parker wrote:
why not just do
cat [filename] > /dev/lp0
you can't get much more RAW than that!
Ah, but that doesn't work if the printer is networked ;)
of if something else happens to want to print to it at the same time, or if you want to queue another print before the first one completes, or if the printer is offline and not accepting jobs (out of paper etc)
In raw mode cups is just a spooler, and I can't think of an advantage of not having one of those.