the first one worked just fine, with a tiny tweak:

#!/usr/bin/perl -w 

use strict;
my $hi = "flux";
print &scroll($hi);

sub scroll {
my ($i) = @_;
my @x;
push @x,substr($i,$_,1),"\n" for (0 .. length $i);
return @x;
}
[download]

(:
strfry()