I have this attached file (I deleted most of the stuff out of it except an 
example of the problem).  First, I was repacking it with compression and 
comparing it and getting diffs.  Then I tried to copy it outright and I was 
getting diffs.  Also, you can just plain diff against itself, and diffs show 
up.  The datatype is a compound data type I've defined which is for a table 
used as a log file.  I'm using h5diff 1.8.4.  The file was written with version 
1.8.2.  Any idea why diffs would show up even when diffing the file against 
itself?

$ h5diff -r c.h5 c.h5
dataset: </readDataItemTest/Logfile> and </readDataItemTest/Logfile>
size:           [1]           [1]
position        Logfile         Logfile         difference
------------------------------------------------------------
[ 0 ]            `            \37777777660
[ 0 ]            (
[ 0 ]            \022            \020
[ 0 ]            (
[ 0 ]            \022            \020
5 differences found

David McCloskey
Lead Programmer Analyst
Software Development
Core Engineering
Nuclear Fuel

Westinghouse Electric Company
Energy Center
4350 Northern Pike
Monroeville, PA, 15146, USA
Phone:  +1 (412) 374-3789
Fax:  +1 (412) 374-4500
Email:  [email protected]
Home Page:  www.westinghousenuclear.com


Attachment: c.h5
Description: c.h5

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