use strict;
use warnings;

local $\ = "\n";
local $_ = 'y,ys,sy,,s,ys,sy,';

for my $n (1 .. $ARGV[0] || 10) {
 print;
 eval;
}
print;

[download]
It's not really that hard to understand. Do you have longer ones of this kind ?

In reply to Tristable oscillator by Prof Vince

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