On Thu, 14 Apr 2011 08:49:45 -0700, sono-io wrote:
> The only one I was concerned with was a sub called "if",
Sounds like a great device for an obfuscated Perl contest entry. That's
the only place I want to see it, though.
>but it
doesn't
> look like it's a built-in function. How
On Apr 13, 4:07 pm, sono...@fannullone.us wrote:
> Hello,
>
> I read somewhere that it's bad practice anymore to call a subroutine
> like this:
>
> &subroutine();
>
Normally yes but there are a few circumstances
where you need the sigil. See: perldoc perlsub
> I've also read wh
Thanks to both Peter Scott, and Brian Fraser (who wrote me off-list).
Very informative. I'm cleaning up a very old script that uses the &subroutine
construct and learning more Perl in the process.
> If you're worried about the speed overhead of one vs the other then either
> you are w
On Wed, 13 Apr 2011 16:07:47 -0700, sono-io wrote:
> Hello,
>
> I read somewhere that it's bad practice anymore to call a
subroutine
> like this:
>
> &subroutine();
>
> I've also read where it's faster to call a sub like this:
> &subroutine;
>
> than it is to call like this:
Charles K. Clarkson wrote:
IMO, the easiest thing to do in the log run is to change
"stuff.pl" into a module called (perhaps) "stuff.pm". The you
can "use" it. You might end up with something like this:
package stuff;
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw( foo );
sub foo {
re
Daniel Kasak <[EMAIL PROTECTED]> wrote:
: I have a main script file, a package in a separate 'package_name.pm'
: file and a file 'stuff.pl' that contains functions that both the
: main script and the package need to use.
:
: I've tried adding:
:
: require "stuff.pl";
:
: to both the main script
When you say,
Calling_Sub($var1, $var2),
Perl automatically fills in the @_ array with the list of elements you are
passing. Now subsequently, inside your subroutine, when you say:
my $subvar = @_;
what you are doing is that you are getting the scalar value of the array.
Since you are passing
There are lots of ways to do this, but this is an easy one to understand...
Calling_sub($var1, $var2);
sub Calling_sub {
my ($subvar1, $subvar2) = @_;
print $subvar1;
print $subvar2;
}
Explaination - When you call a sub the parameters are passed via a special
array named @_. Perl puts
> -Original Message-
> From: Batchelor, Scott [mailto:[EMAIL PROTECTED]]
> Sent: Monday, May 20, 2002 4:21 PM
> To: '[EMAIL PROTECTED]'
> Subject: Calling subroutines...
>
>
> Hi again all.
>
> I have a question about calling a subroutine in Perl. Here
> is what I am
> trying:
>
> Ca
