which indicates that I don't know what the floop unpack("a4") does. 

substr($_, 0, 4)

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or rather 
substr(do { _utf8_off(my $internal = $_); $internal }, 0, 4)

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In reply to Re: Mysteries of unpack("a", ...) by ikegami
in thread Mysteries of unpack("a", ...) by pspinler

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