[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: How do you select all unique first-position charac
Wendell, I tried your approach and the xpath returned me all of the person elements. I then realized that the @name param to your xsl:key call needs to wrapped within a substring: //person[count(.|key('person-by-initial', substring(@name,1,1))[1]) = 1] which is, by the definition of your xsl:key, I'm sure what you meant to do. -Jeff -----Original Message----- From: Wendell Piez [mailto:wapiez@xxxxxxxxxxxxxxxx] Sent: Wednesday, November 20, 2002 6:22 PM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: Re: How do you select all unique first-position characters? I should think a key using the initial letter of each name would be a big help: <xsl:key name="person-by-initial" match="person" use="substring(@name,1,1)"/> Then "key('person-by-initial', 'A')" would get you back the elements for Anthony, Amy and the other Amy, and "key('person-by-initial', 'A')[1]" would get you just Anthony. //person[count(.|key('person-by-initial', @name)[1]) = 1] gets you all person elements that are first with their initial. In other words, the usual grouping stuff. Cheers, Wendell (At 04:50 PM 11/20/2002, Greg wrote: >At 01:36 PM 11/20/2002, you wrote: >><report-data> >> <person name="Anthony" /> >> <person name="Amy" /> >> <person name="Amy" /> >> <person name="Jim" /> >> <person name="Jason" /> >></report-data> >> >>I would expect to get A,J from the above XML > > Here's most of it for you. I'm having trouble with the initial > variable selection though. I'm hoping somebody can take it from here, as > I'm stumped now too.... ====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ====================================================================== XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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