Select Code to Download

#!/usr/bin/perl -w
use strict;
...

timethese(100_000, {join => \&joinit,
                    slash => \&dollarslash} );

Benchmark: timing 100000 iterations of join, slash...
      join:  2 wallclock secs ( 1.52 usr +  0.29 sys =  1.81 CPU)
     slash:  4 wallclock secs ( 2.99 usr +  0.35 sys =  3.34 CPU)