Jim Ockers wrote:
> 
> Is there any concise method of fully evaluating the arithmetic
> expressions in here documents, rather than just one level of
> substitution?:
> 
> sub RotationMatrix {
>     my $theta = $_[0] * 3.14159265 / 180.0;
>     my $m = cos($theta);
>     my $n = sin($theta);
>     my $T = Math::MatrixReal->new_from_string(<<"ROTMATRIX");
> [ $m**2   $n**2   2*$m*$n     ]
> [ $n**2   $m**2  -2*$m*$n     ]
> [ -$m*$n  $m*$n   $m**2-$n**2 ]
> ROTMATRIX
>     return $T };


Is there any reason that you can't use
Math::MatrixReal->new_from_cols()?  Anyway, to expand expressions or
function calls in strings:

perldoc -q "How do I expand function calls in a string"

Found in /usr/lib/perl5/5.6.0/pod/perlfaq4.pod
       How do I expand function calls in a string?


John
-- 
use Perl;
program
fulfillment

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