Subject: Re: [xsl] is there a way to hash an element? From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 9 Jun 2016 22:51:50 -0000 |
You may even not need a hash function. Just use the standard XPath 3.0 function: serialize() http://www.w3.org/TR/xpath-functions-30/#func-serialize Cheers, Dimitre On Thu, Jun 9, 2016 at 3:08 PM, Graydon graydon@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello all -- > > So I've got about half a gibabyte of XML messages describing various > health care actions. Many of these are structural duplicates of each > other; the top elements differ by their attribute values, but the > structure and values of the descendant elements is the same. The amount > of duplication varies from none to thousands. > > I've got an apparently useful heuristic based on descendant attribute > values, but would -- it is health care data -- really like to have a > more robust way to group the elements into set of equivalent top-level > names by their structural sameness. (I can't hand-check the whole data > set.) > > So I find myself wanting an equivalent of sha256sum for elements so I > could generate a grouping key from the descendant elements and their > associated attributes as a unit. > > Is there such a thing? Equivalent approaches? > > Thanks! > Graydon > -- Cheers, Dimitre Novatchev --------------------------------------- Truly great madness cannot be achieved without significant intelligence. --------------------------------------- To invent, you need a good imagination and a pile of junk ------------------------------------- Never fight an inanimate object ------------------------------------- To avoid situations in which you might make mistakes may be the biggest mistake of all ------------------------------------ Quality means doing it right when no one is looking. ------------------------------------- You've achieved success in your field when you don't know whether what you're doing is work or play ------------------------------------- To achieve the impossible dream, try going to sleep. ------------------------------------- Facts do not cease to exist because they are ignored. ------------------------------------- Typing monkeys will write all Shakespeare's works in 200yrs.Will they write all patents, too? :) ------------------------------------- Sanity is madness put to good use. ------------------------------------- I finally figured out the only reason to be alive is to enjoy it.
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