SPUG: Re: for-here; sub interpolation

[Colin Meyer]

On Wed, Sep 20, 2000 at 05:33:30PM -0700, ced at carios2.ca.boeing.com wrote:
> 
> >> 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.

Unless you use one of MJD's wierd and scary modules.

>From perldoc Interpolation:

SYNOPSIS
         use Interpolation name => \&function, ...;
         print "la la la la $name{blah blah blah}";

         # This is like doing:
         $VAR = &function(blah blah blah);
         print "la la la la $VAR";



-C.

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