[wplug] novice question on perl assignment operator

[Christopher DeMarco]

On Mon, Jan 29, 2007 at 12:45:42PM -0800, Juan Zuluaga wrote:

> #!/usr/bin/perl -w
> use strict;
> 
> my $a = "a";
> my $b = "b";
> my $concat = $a . $b;
> print "$concat\n";
>    $b = "newb";
> print "$concat\n";  # prints  ab instead of anewb ! 
> 
> how should i define $concat to make it respond to
> changes in its constituents? (what would be technical
> terms for this ?) 

Make "concat" a subroutine which returns the concatenation.


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Christopher DeMarco <cmd at alephant.net>
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