>>>>> "Ricardo" == Ricardo SIGNES <[EMAIL PROTECTED]> writes:
Ricardo> Here are some of the reasons you'd need &: Ricardo> The subroutine has a prototype, and you want to circumvent it. Ricardo> sub foo($$) { ... } Ricardo> &foo(1); Ricardo> You want to pass @_ as the arguments to the called function. Ricardo> sub foo { &bar; } # passes the arguments to foo to bar Ricardo> You're calling a subroutine reference. Ricardo> $foo = sub { ... }; Ricardo> &$foo; You've named the subroutine the same as a Perl built-in word, either deliberately or accidentally: &chomp; sub chomp { ... }; This is why we still tell beginners to use & in the llama class. I had a heckuva time with a student in one class who had decided to call their logging subroutine "log", and then try to call it without an ampersand. Oops. -- Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095 <merlyn@stonehenge.com> <URL:http://www.stonehenge.com/merlyn/> Perl/Unix/security consulting, Technical writing, Comedy, etc. etc. See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training! -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>