Update: Ignore this post. After rereading your node, this doesn't answer your question at all. 

local $/ = \56;
while (<$file>) {
   # $_ contains 56 bytes.
   ...
}

[download]

$/

In reply to Re: Reading a GPL file: Looping a Byte read by ikegami
in thread Reading a GPL file: Looping a Byte read by deadpickle

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