Do I hear golf?

First at 48 chars, the one that modifies the original arguments like yours does: 

sub Mix {
my@a;@_=grep{@$_?push@a,shift@$_:0}@_ while@_;@a
}

[download]
and a safe one that doesn't do that at 59 chars: 
sub MixS {
my@a;for(my$i;@_;++$i){@_=grep{$i<@$_&&push@a,$$_[$i]}@_}@a
}

[download]

In reply to Re (tilly) 1: Mixing up da Arrays (Golf) by tilly
in thread Mixing up da Arrays (Golf) by ChOas

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