[Mailman-Users] Text "Reappears" when MBox Archive Rebuilt

Mark Sapiro mark at msapiro.net
Mon Nov 30 17:03:18 EST 2015

On 11/30/2015 01:22 PM, Dave Arndt wrote:
> I did not do the rebuild myself - but I would assume they just ran bin/arch
> How would the text re-appear if it was removed, as per step #1?
> in other words, How would the text still be in the file after removing
> it, and it doesn't appear with grep?

If you have an existing HTML archive and the corresponding .mbox, and
you run bin/arch without --wipe, every message in the mbox will be added
to the HTML archive, but they won't be indexed because the Message-IDs
are duplicates.

For example if there are a total of 10 messages in the archive, the HTML
messages will have names like 000000.html, 000001.html, ...,
000009.html. If you then run bin/arch without --wipe, you will add files
000010.html, 000011,html, ..., 000019.html which may or may not be a bit
different if you modified the mbox. Now, when the archiver added say
000010.html, its Message-ID is the same as that of 000000.html, so it
won't be indexed and the index will still point to 000000.html.

The answer is if you want to rebuild and archive and not just add to it,
you have to use --wipe to remove the existing HTML archive before adding.

Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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