"Chas Owens" schreef:
> An article would be redundant, we already have Tom Christiansen's
> masterful article "Far More Than Everything You've Ever Wanted to Know
> about Prototypes in Perl"*. [...]
> * http://library.n0i.net/programming/perl/articles/fm_prototypes/
OK, thanks. I presume it is qu
On 8/31/07, Dr.Ruud <[EMAIL PROTECTED]> wrote:
snip
> This is nice content, but not presented well, so I wonder how many
> people take the time to read and grok it.
>
> Maybe you can transform it into an article, maybe both on this list and
> on PerlMonks?
>
> (and please give away the answers :)
s
"Chas Owens" schreef:
> Martin Barth:
>> Andrew Curry:
>>> That's rubbish,
>>
>> but you get a warning like:
>>
>> main::a() called too early to check prototype at -e line 1.
>>
>> Use Prototypes at the beginning of your file if you want to write the
>> subs at the end.
> snip
>
> This would be a
On 8/30/07, Martin Barth <[EMAIL PROTECTED]> wrote:
> On Thu, 30 Aug 2007 15:39:14 +0100
> Andrew Curry <[EMAIL PROTECTED]> wrote:
>
> > That's rubbish,
>
> but you get a warning like:
>
> main::a() called too early to check prototype at -e line 1.
>
> Use Prototypes at the beginning of your file i
Hi,
> I don't get that either !!!
>
> #!/bin/perl
> ### junk.pl ###
> use strict;
> use warnings;
>
> sayhello();
>
>
> sub sayhello {
>
> print "hello\n";
>
> }
thats because you're not using perls prototyping feature at all.
if you define your sub that way:
sub sayhallo() {
p
> -Original Message-
> From: [EMAIL PROTECTED]
> Sent: Thu, 30 Aug 2007 16:34:08 +0100
> To: beginners@perl.org
> Subject: Re: marine subroutine
>
> On 30 Aug 2007 at 17:29, Martin Barth wrote:
>
>> On Thu, 30 Aug 2007 15:39:14 +0100
>> An
On 30 Aug 2007 at 17:29, Martin Barth wrote:
> On Thu, 30 Aug 2007 15:39:14 +0100
> Andrew Curry <[EMAIL PROTECTED]> wrote:
>
> > That's rubbish,
>
> but you get a warning like:
>
> main::a() called too early to check prototype at -e line 1.
>
> Use Prototypes at the beginning of your file if
On Thu, 30 Aug 2007 15:39:14 +0100
Andrew Curry <[EMAIL PROTECTED]> wrote:
> That's rubbish,
but you get a warning like:
main::a() called too early to check prototype at -e line 1.
Use Prototypes at the beginning of your file if you want to write the subs at
the end.
HTH,
Martin
--
To unsub
On 30 Aug 2007 at 1:18, anders wrote:
> On 30 Aug, 09:39, [EMAIL PROTECTED] (Amichai Teumim) wrote:
> > Hi
> >
> > I'm trying to understand subroutines.
> >
> > #!/usr/bin/perl
> >
> > &marine()
> >
> > sub marine {
> > $n += 1; #Global variable $n
> > print "Hello, sailor number $n!\n";
> >
>
t;;
}
Works fine.
-Original Message-
From: anders [mailto:[EMAIL PROTECTED]
Sent: 30 August 2007 09:18
To: beginners@perl.org
Subject: Re: marine subroutine
On 30 Aug, 09:39, [EMAIL PROTECTED] (Amichai Teumim) wrote:
> Hi
>
> I'm trying to understand subroutines.
>
>
On 30 Aug, 09:39, [EMAIL PROTECTED] (Amichai Teumim) wrote:
> Hi
>
> I'm trying to understand subroutines.
>
> #!/usr/bin/perl
>
> &marine()
>
> sub marine {
> $n += 1; #Global variable $n
> print "Hello, sailor number $n!\n";
>
> }
>
> This doesn't work. Is &marine() incorrect? How would I cal
Yeah that works now. Great. Finally I'm getting this...after months. Thank
you.
On 8/30/07, Jeff Pang <[EMAIL PROTECTED]> wrote:
>
> 2007/8/30, Amichai Teumim <[EMAIL PROTECTED]>:
> >
> > I get the error:
> >
> > sub-lib.pl did not return a true value at ./sub.pl line 5.
> >
> > Why is that? The v
2007/8/30, Amichai Teumim <[EMAIL PROTECTED]>:
>
> I get the error:
>
> sub-lib.pl did not return a true value at ./sub.pl line 5.
>
> Why is that? The value is 1 isn't it?
>
to add 1 at the end of sub-lib.pl,it would work.
echo 1 >> sub-lib.pl
when 'require'ing a file,perl need it to return a tr
Hi,
be nice to yourself and allways "use strict;"
and don't call subs with &, unless you know why you need &.
hopefully you can avoid some problems when you're writing perl code.
#!/usr/bin/perl
use strict;
marine();
HTH,
Martin
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For add
2007/8/30, Amichai Teumim <[EMAIL PROTECTED]>:
> Hi
>
> I'm trying to understand subroutines.
>
> #!/usr/bin/perl
>
> &marine()
>
> sub marine {
> $n += 1; #Global variable $n
> print "Hello, sailor number $n!\n";
> }
>
>
> This doesn't work. Is &marine() incorrect? How would I call the sub mar
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