July 2001
Intermediate to advanced
592 pages
11h 16m
English
Content preview from XSLT and XPATH: A Guide to XML TransformationsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 5. XPath Functions
XPath Function
boolean(), ceiling(), concat(), contains last(), local (), count(), false(), floor(), id(), lang(),-name(), name(), namespace-uri(), normalize-space(), not(), number(), position(), round(), starts-with(), string(), string-length(), substring(), substring-after(), substring-before(), sum(), translate(), true()
In Chapter 4 the principles underlying XPath were introduced, but the full value of XPath is limited without functions. Functions provide a “programming” aspect to XPath. Where XPath location paths and patterns are navigational tools, functions are like little programs, they do something. For example, the document() function “goes and gets” another XML instance, similar to an import macro in a word ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.