Aha, ok. Is there then an endianness change implied in the arguments to pack? The two parts of the value are coming from some sort of industrial control unit; we don't have any info on what the internal architecture of the unit is so we're trying to document exactly what needed to be done to the data to get it readable via perl on linux/Intel. Thanks again for the insight, this is really helping...

In reply to Re^4: 32bit float from two halves by thatmguy
in thread 32bit float from two halves by thatmguy

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