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richardlehane / siegfried

signature-based file format identification
http://www.itforarchivists.com/siegfried
Apache License 2.0
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Feature Request: $siegfried -update -deluxe #103

Closed ross-spencer closed 7 years ago

ross-spencer commented 7 years ago

Is there potential to have an -update option that also delivers Tika/Freedesktop signatures? I'd find this very useful for educating folk about alternatives to DROID.

richardlehane commented 7 years ago

Hmmm... yes that's a nice idea can do.

Perhaps offer a few flavours: PRONOM, tika, freedesktop, LOC or the triple threat (PRONOM-tika-loc) which I already publish & use for the "Try Siegfried" service?

No need to do this with another flag, could do like sf -update tika or sf -update loc or sf -update pronom-tika-loc.

Effect of this command would be to overwrite default.sig (so your default.sig might no longer be PRONOM).

richardlehane commented 7 years ago

Hey Ross, this is in sf 1.7.5 & available now. Details of implementation are in this bit of the changelog...

sf -update flag can now be used to download/update non-PRONOM signatures. Options are "loc", "tika", "freedesktop", "pronom-tika-loc", "deluxe" and "archivematica". To update a non-PRONOM signature, include the signature name as an argument after the flags e.g. sf -update freedesktop. This command will overwrite 'default.sig' (the default signature file that sf loads). You can preserve your default signature file by providing an alternative -sig target e.g. sf -sig notdefault.sig -update loc. If you use one of the signature options as a filename (with or without a .sig extension), you can omit the signature argument i.e. sf -update -sig loc.sig is equivalent to sf -sig loc.sig -update loc.

I'll update the docs (wiki and homepage) shortly Rich

ross-spencer commented 7 years ago

Brilliant stuff! - Just gave it a go - works a treat!

Thanks Richard, Ross

On Sun, Aug 13, 2017 at 1:22 PM, Richard Lehane notifications@github.com wrote:

Hey Ross, this is in sf 1.7.5 & available now. Details of implementation are in this bit of the changelog...

sf -update flag can now be used to download/update non-PRONOM signatures. Options are "loc", "tika", "freedesktop", "pronom-tika-loc", "deluxe" and "archivematica". To update a non-PRONOM signature, include the signature name as an argument after the flags e.g. sf -update freedesktop. This command will overwrite 'default.sig' (the default signature file that sf loads). You can preserve your default signature file by providing an alternative -sig target e.g. sf -sig notdefault.sig -update loc. If you use one of the signature options as a filename (with or without a .sig extension), you can omit the signature argument i.e. sf -update -sig loc.sig is equivalent to sf -sig loc.sig -update loc.

I'll update the docs (wiki and homepage) shortly Rich

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