Push to array reference

Question

Is it possible to push to an array reference in Perl? Googling has suggested I deference the array first, but this doesn\'t really work. It pushes to the defere

Answer 1

$a is not $a_ref, ($a is the first comparison variable given to a sort{}, and $a[0] is the 0th element of the @a array).Never use $a, or $b outside of a custom sort subroutine, and the @a and @b array should probably be avoided to too (there are plenty of better choices)...

What you're doing is assigning to $a_ref, an anonymous array, and then pushing onto it "hello", but printing out the first element of the @a array.