Hi Gerrit,
I like the idea of having a how-to for XPath. I'll add you to the wiki
access list, so you can log in, and add this yourself. The wiki uses
Google Sites, so I just need to have an email address that you use to
log into Google to add you (e.g. @gmail.com). If you can send me such
an email address, I'll just add it to the ACL. (And of course, feel
free to send to me by private email.)
Alex
On Sun, Jun 26, 2011 at 9:13 AM, Gerrit Boers <
[hidden email]> wrote:
> Hi,
> I have a suggestion for a new category of 'How-to''s': Xpath (or xquery)
> oneliners.
> Here's a little contribution:
> Problem: there's no substring-after-last
> Solution (Xpath 2): tokenize(inputString,'separator')[last()]
> Use the tokenize function to create a sequence and take the last item.
>
> This comes in handy if you're working with OIDs (universal object
> identifiers), here's an example:
> <dataset id="2.16.840.1.113883.2.4.6.99999.90.7.1" version="1"
> effectiveDate="2010-09-24" statusCode="draft">
> The id attribute is in the form of an OID, if I want to increase the id I
> can use tokenize(@id,'.')[last()] to get the number after the last dot, cast
> it to an integer, get the maximum value and add 1.
> I hope you'll find this useful.
>
> Regards,
> Gerrit
>
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