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[REBOL] Re: [OT] Post #

From: SunandaDH::aol::com at: 24-Jan-2006 16:35

> How does one tell the number of a messages in the archive?
Here's three ways you can use: [use the number format] If you know number, put it directly into the URL -- both of these get you the same message: The clues you need to make sense of this are: * the m= parameter always starts "rml" as a ML identifier. Means we could support other Mailing lists in future; * the first message number is 200'000. We started there so we'd have 100'000 numbers reserved for whenever software archaeologists found us earlier messages than the archive's start date. (plus another 100'000 reserved for other uses); * the letter format is not case sensitive; * we use the letter format publicly because that's more google-friendly. [use Library Data Services] do probe lds/send-server 'get-rml-message ["jgrc"] * the structure that comes back contains the msg-id as an integer [reverse engineer the letters-to-integer algorithm] The note in the source code says the algorithm is explicitly intended to give people some fun in trying to reverse engineer it. So look away now if you don't want to be handed the answer on a plate: . . . . . . . . do rml-base-letters: copy "NPRHDWVMTGBSKJQCFYLXZ" msgid: copy "JGRC" 100000 + base-convert/from-base head reverse copy msgid rml-base-letters == 239999 head reverse base-convert/to-base (239999 - 100000) rml-base-letters == "JGRC" Sunanda