SPUG: Re: for-here; sub interpolation

[ced at carios2.ca.boeing.com]

On Tue, Sep 19, 2000 at 05:06:48PM -0700, El JoPe Magnifico wrote:
> 
> The alternative, which they're still propping up in the third edition
> of the camel book, is cumbersome, inefficient, and still requires you
> to keep your delimiter flush to the left:
> 
>   ($quote = <<DELIMITER) =~ s/^\s+//gm;
>     this text will not be indented
>     when you use it later
> DELIMITER

You can avoid "flushing the delimiter" but you'll need a 
strong stomach: 

   ($quote = <<"   DELIMITER") =~ s/^\s+//gm;
           this text will not be indented
        when you use it later
   DELIMITER

 
>> ...
>> Func;
>> Func();
>> &Func;
>> &Func();

>> Perhaps it's just too hard to look at the string "this is some text ('not
>> really')" and figure out whether or not to call text('not really') or to
>> just leave it alone?

>> I think it would be cleaner if you only could interpolate basic arrays
>> and scalars inside of double-quoted strings.  I can never remember if
>> "$arr->[0]->[0]" is going to work or not, so I use printf or sprintf for
>> anything worse than $scalar or @array.  

I think there's no ambiguity if $arr is an array reference 
so "$arr->[0]->[0]" is a simple lookup and does work. But, 
function/method calls must throw a monkey wrench in the
parsing as you suggest.

rgds,
--
Charles DeRykus 

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