Sharing zip files

[Mike Arnold]

Does anyone know how I can attach a zip file to a conversation on this forum. It appears that the upload software scans the files and won't allow me to attach it if the file's header looks like a zip. Maybe I need different privileges from Marcus. 

[Jay Cotton]

I have used gzip a few times.  mostly I transfer via github

[Roger Hanscom]

On Wed, Apr 16, 2025 at 10:08 AM 'Mike Arnold' via Cromemco <crom...@googlegroups.com> wrote:

Does anyone know how I can attach a zip file to a conversation on this forum. It appears that the upload software scans the files and won't allow me to attach it if the file's header looks like a zip. Maybe I need different privileges from Marcus. 

Doubtful that "extra privileges" will by-pass the .zip file witch hunt.  I never quite understood the paranoia attached to .zip files.

Maybe UUENCODE the file so that it is not recognizable as a .zip file?  It will make for very large files, however.

Roger

[Patrick Linstruth]

This is consistent with the immutable law of computer software and programmers: keep improving it until it is no longer useful.

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[Mike Stein]

Have you tried changing the extension to something else, e.g. .pdf?

On Wed, Apr 16, 2025 at 1:08 PM 'Mike Arnold' via Cromemco <crom...@googlegroups.com> wrote:

Does anyone know how I can attach a zip file to a conversation on this forum. It appears that the upload software scans the files and won't allow me to attach it if the file's header looks like a zip. Maybe I need different privileges from Marcus. 

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[Richard Deane]

You could possibly  repackage as lbr, or put the zip in an lbr using mklbr from github mark ogden.

On Wed, 16 Apr 2025, 18:08 'Mike Arnold' via Cromemco, <crom...@googlegroups.com> wrote:

Does anyone know how I can attach a zip file to a conversation on this forum. It appears that the upload software scans the files and won't allow me to attach it if the file's header looks like a zip. Maybe I need different privileges from Marcus. 

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[Mike Arnold]

Mike, I tried changing the file extension but the upload routine was not fooled. I am guessing that it scans the beginning of the file for a zip fingerprint. I also recall that it will not allow upload of .com or .exe but I think that is just filtered on the extension.

Mark, I did consider tar (or could be lbr) but I thought it better to have a format that you can unpack on your PC rather than sending to a Cromix/Unix device. I did think about a small Windows program that simply binary inverts each byte (and rename it to .piz) to fool the uploader but I am not a C programmer and my son is too busy with his job and child to do it for me.

[Richard Muse]

Just a thought. You can upload to dropbox and just post the link. Dropbox is free. I've used this several times to avoid the 'zip' issue.

R

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[Mike Arnold]

Good thinking Richard. I have Dropbox (somewhere). Thanks

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