>>Are the files ever mixed endianness? Where does $endian come from , how is endianness determined?

No. The endianness is fixed. it is specified in first record of file. Using table approach seems viable, but I don't like to separate subroutine and template string in different places if possible.

In reply to Re^2: Avoid run-time checking by bagyi
in thread Avoid run-time checking by bagyi

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