Name changes do not effect checksum calculation, which should be on
the file contents alone. NAme changes are only to records in the
database, the original file and its location in the file system do
not change.
Cheers,
Mark
On Jun 12, 2008, at 9:06 AM, Kyle Kaliebe wrote:
Dear Dspace Tech list,
We have run into a few instances where we have made changes to the
file names of some of our bitstreams. We want to ensure that if
changing file names changes the MD5 checksum of the bitstreams that
the old and new checksum results are recorded in the provenance
metadata fields for that bitstream’s item. To that end, I ran the
checksum checker on the communities containing the files in
question. After that, I ran a database query to produce a report
including item handle, bitstream name, submitted checksum, current
checksum, checksum checker result, and bitstream size. Assuming the
report was complete, we found that none of the checksum results had
changed. Can anyone confirm that changing the name of a bitstream
does not affect the MD5 checksum of that bitstream? Thank you.
Kyle Kaliebe
Systems Developer/Engineer
Knowledge Bank
University Libraries
Ohio State University
[EMAIL PROTECTED]
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