Re: How do you select all unique first-position charac

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Subject: Re: How do you select all unique first-position characters?
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Wed, 20 Nov 2002 18:21:51 -0500

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....

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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
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Current Thread

How do you select all unique first-position characters?
- Shenan Hawkins - Wed, 20 Nov 2002 15:29:47 -0500 (EST)
  - Greg Faron - Wed, 20 Nov 2002 16:46:40 -0500 (EST)
    - Wendell Piez - Wed, 20 Nov 2002 18:24:05 -0500 (EST) <=
  - <Possible follow-ups>
  - Jeff Beadle - Wed, 20 Nov 2002 17:35:20 -0500 (EST)
    - Greg Faron - Wed, 20 Nov 2002 18:42:39 -0500 (EST)
  - Jeff Beadle - Thu, 21 Nov 2002 09:24:43 -0500 (EST)
  - Jeff Beadle - Thu, 21 Nov 2002 09:38:30 -0500 (EST)

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