Subject: Re: [xsl] Value at position() From: David Carlisle <davidc@xxxxxxxxx> Date: Wed, 4 Feb 2004 12:12:53 GMT |
> Now testing location1, if it has value A, B or C > > Its probably not the perfect way but it works fine! by "fine" I assume you mean that it doesn't generate an error but it is not doing anything like this stated requirement. look again at what you wrote: position()=last()-2='A' position() is a number (eg 1) last() is a number eg 5 so position = last()-2 is a boolean which is false() in this case as 1 = 5 - 2 is false so then you are comparing the string 'A' with the boolean value false() this will cause the system to convert the string to a boolean, all non-empty strings convert to trrue() so then you are comparing boolean(1 = 5 - 2) = boolean('A') which is false()=true() which is false() so the test is false on all items except the 2nd from last. The content of the element is not even looked at in this expression. -- http://www.dcarlisle.demon.co.uk/matthew ________________________________________________________________________ This e-mail has been scanned for all viruses by Star Internet. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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