TID: FMail-lnx64 2.2.0.0
RFC-X-No-Archive: Yes
TZUTC: 0200
CHRS: UTF-8 2
PID: GED+LNX 1.1.5-b20161221
MSGID: 2:280/464 64e37521
REPLY: 2:280/5555 64e35c34
Hi Michiel,

On 2023-08-21 14:30:53, you wrote to me:

 WV>> For unpacking you need some kind of detection mechanism.

 MvdV> That could be circumveneted by allowing the user to not only specify a
 MvdV> compression method for outgoing mail but to als allow the user to
specify a
 MvdV> decompression method per node. To be used if autodetection fails.

I don't think that is a good idea...

 MvdV> Or let the user specify the "fingerprint" for a custom compression
 MvdV> method. From what I remember it is enough to look at the first two
 MvdV> bytes of a compressed file. Fingerprint for ZIP is "PK"

The current detection mechanism in FMail uses up to 7 bytes for the detection,
and an offset into the file for some archivers...

 MvdV> OTOH... It may not be worth the effort this late in the game...

I don't think so either.

 WV>> Which incase of FMail is left to the "General Unpack Shell". Which is
 WV>> fed everything that is unknown to FMail itself...

 MvdV> GUS... I never used it myself, never had a need for it. It is still
under
 MvdV> development or is it abandonware like so many other FTN stuff?

I can't remember using it. I don't think it's still under development. A quick
google only gives me this: https://archive.org/details/GUS_170_ZIP so 1993...

Bye, Wilfred.

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