Select Code to Download

sub _array_chunk5 {
    my @arr = @_; 
...
    # what goes here ?
    return ( join( " ",  splice ( @arr, 0, 5 ) ) , _array_chunk5(@arr)
+ );
}

sub _array_chunk5x {
    my @arr = @_; 
    return ( ) if(@arr == 0);
    return ( join( " ", splice( @arr, 0, 5 ) ), _array_chunk5(@arr) );
}