This might seem like a beginner's question, but I saw several
messages ending with something about perldoc. I tried this command under
HP-UX v11, and first it did not work. I found where the program actually
was, and retried. I then got a reply saying something linke "Superuser must
not r
I'm a beginner in those regular expressions and s/// operations. How
can I extract only the digits and the periods (.) from a string ? I have
something like 206.48.16.3/12345. An IP address with a port number. There
are digits on both sides of the slash, but I would like to keep only the
d