in reply to Re: how to seperate array after a certain number of elements?
in thread how to seperate array after a certain number of elements?

That refactors nicely:
my @myMainArray = map [ @myArray[$_ .. ($_+4 < $#myArray ? $_+4 : $#myArray)] ], map $_ * 5, 0 .. $#myArray/5;

Caution: Contents may have been coded under pressure.