It doesn't look like shift has a list context, at least according to perldoc. That makes some sense, since it can only return one thing, unlike splice, which can return zero to many.

I'd use 

while( @x ) { print shift @x, ',' }

[download]

for your last example.

In reply to Re: shift on empty array in list context broken by tybalt89
in thread shift on empty array in list context broken by LanX

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