SPUG: re: 'my' question

[Alyssa Harding]

Okay, sorry, there was a typo in there, I was trying to split $pair,
not $buffer in the first foreach loop, the quoted text below is now
correct.

A.


Alyssa Harding wrote:
> 
> I encountered something wierd yesterday and I wonder if someone
> could explain why this happens.
> 
> I had a script which was doing something like this:
>   #!/usr/bin/perl -w
> 
>   ...
> 
>   foreach $pair (@pairs){
>     ($name, $value) = split(/&/, $pair);
>      $hash{$name} = $value;
>   }
> 
>   ...
>   This got me a nice hash with values and everything.
> 
> Okay, not too complicated or anything, but it wasn't using strict
> (and it had no reason for not doing so).  So I changed it to use
> strict;
> 
>   #!/usr/bin/perl -w
> 
>   use strict;
> 
>   ...
>   my %hash;
>   foreach my $pair( @pairs ){
>     my($name, $value) = split(/&/, $pair);
>     $hash{$name} = $value;
>   }
> 
> 
>   The resulting hash gets only one key/value pair - $pairs[0] - and
> nothing else.
>   Can someone please explain why this happens?  Shouldn't it work
> just as well?
> 
>   I changed it to:
> 
>   #!/usr/bin/perl
> 
>   use strict;
>   ...
>   my(%hash, $pair);
>   foreach $pair( @pairs ){
>    etc. etc.
>   }
> 
>   and it worked just fine.
> 
> A.
> --
> Alyssa W. Harding
> Web Programmer
> U S WEST Creative Services
> phon: (206) 345-4073
> cell: (206) 769-8735
> -------------------------------------------------------------------
> People who didn't need people needed people around to know that they
> were
> the kind of people who didn't need people.
>         -- (Terry Pratchett, Maskerade)
> 
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-- 
Alyssa W. Harding 
Web Programmer
U S WEST Creative Services
phon: (206) 345-4073
cell: (206) 769-8735
-------------------------------------------------------------------
Shadwell hated all southerners and, by inference, was standing at
the
North Pole.
        -- (Terry Pratchett & Neil Gaiman, Good Omens)

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