• Zagorath@aussie.zone
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    5 months ago

    Opening somthing.rar also reads the data in somthing.r01 through somthing.r15 etc

    Oh so it’s just kinda a part of the rar specification then? How did that work on CDs or floppies, if presumably you’d have had to swap out to insert the next part?

    • amelore@slrpnk.net
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      5 months ago

      Yes, it asks for the next part if it’s not in the same folder with the same name, doesn’t really make a difference what it’s stored on. Multipart zip and tar also exist.

      • Zagorath@aussie.zone
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        5 months ago

        So the first file acts as a sort of index? From the earlier comment I thought it was autodetecting the presence of the numbered files and expanding what it found.

        • amelore@slrpnk.net
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          5 months ago

          It’s going to have some metadata to that effect yes, like a file index or number of parts or total extracted file size. I don’t know the details, I’ve used them I haven’t read the spec. rar is Rarlab’s proprietary format so there might not even be a public spec.
          They’re normally all the same size except for the last part, so it’s not that file 1 is just an index.