No subject

Geoffrey Myers

On Jan 18, 2013, at 10:06 AM, "Watson, Keith" <krwatson at cc.gatech.edu> wrote:

> In some cases the subroutine must be defined before you call it.
> 
> sub HELLO {
> 
>   my ($name) = shift @_;
> 
>   print ("Hello ", $name, "\n");
> 
> }
> 
> 
> If you call the subroutine this way you have to define the subroutine before the call.
> 
> HELLO "Geoffrey";
> 
> 
> However, if you call the subroutine this way you can define the subroutine before or after the call.
> 
> &HELLO("Geoffrey");
> 
> 
> Perl Subroutine Primer
> http://www.webreference.com/programming/perl/subroutines/index.html
> 
> 
> As for Perl style I recommend Perl Best Practices by Damian Conway
> http://www.amazon.com/Perl-Best-Practices-Damian-Conway/dp/0596001738
> 
> 
> keith
> 
> -- 
> 
> Keith R. Watson                        Georgia Institute of Technology
> IT Support Professional Lead           College of Computing
> keith.watson at cc.gatech.edu             801 Atlantic Drive NW
> (404) 385-7401                         Atlanta, GA 30332-0280
> 
> 
>> -----Original Message-----
>> From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of
>> Geoffrey Myers
>> Sent: Friday, January 18, 2013 09:42
>> To: ALE run Linux!
>> Subject: [ale] Perl coding style
>> 
>> I've noticed that most perl coders see to put subroutines before the main
>> code.
>> 
>> Comments?
>> 
>> --
>> From my iPhone
>> Geoffrey Myers
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> 
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