Re: Funky Summation
Nate Austin wrote: > > Greetings. I've thrashed around with a few ideas to no avail, so finally to > here. Here's the problem: > > <record> > <header> > <name>ralph</name> > <dest_acct_no>2222222</dest_acct_no> > </header> > <detail> > <name>george</name> > <acct_no>123456789</acct_no> > </detail > <detail> > <name>bob</name> > <acct_no>987654321</acct_no> > </detail> > </record> > > I have a large number of records in similar fashion to this There is one > header record and many detail records. I need to compute a checksum of the > account numbers that is as follows: > > If the number is less than 11 digits, pad it on the right with zeros. (ie. > 12345678900). Take the first 6 digits minus the 2nd 6 digits. Do this for > the header record and the detail records. The checksum for each detail > record is computed by taking the absolute value of the value of the header > record minus the value of the detail record. Add each detail record's > checksum to come up with a total checksum. The example here would be: > > abs((222222 - 20000) - (123456 - 78900)) + abs((222222 - 20000) - (987654 - > 32100)) + ... = 157666 + 753332 = 910998. > > I looked into using sum() to come up with this and a for-each. I couldn't > work it through to the end either way. If anyone could help it'd be much > appreciated! > AND A BIT MORE GENERAL QUESTION: Is it possible to implement running counters in pure 100% XSLT, without using proprietary extensions? Regards, Alexey XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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