> > > my $newfile = "$str.subst(rx|\.\w+$|, '')\.bin";
>
> But what about the value of $str after interpolation?
> In shall it stays it's original value! I would often need,
> to use a little modified value of $str for a particular expression.
> I like the way shell does it, to be able to write it such short,
> without any other explicit variable.
Yeah, the fact that substitutions were only destructive in Perl 5 was a
major kludge. I was taking the .subst method there as a functional,
non modifying version. So:
$str.subst(...) # returns substituted string, leaves $str alone
$str.=subst(...) # modifies $str
Luke
