Thanks Ben, Brook, & Michael,
I removed the dashes from the numbered date/strings and the > worked; I
guess I will have to figure out another way to display my dates in order to
use these Booleans.
Again Thanks.
-----Original Message-----
From: Benjamin Farrow [mailto:lovinjess(_at_)hotmail(_dot_)com]
Sent: Monday, October 06, 2003 3:08 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] xsl Greater than and Less than.
Brook,
There doesn't appear to be anything explicit about this in XSLT 1.0, but
in XPath 1.0 it has the following paragraph under 3.4 Booleans:
"When neither object to be compared is a node-set and the operator is <=, <,
= or >, then the objects are compared by converting both objects to
numbers and comparing the numbers according to IEEE 754. The < comparison
will be true if and only if the first number is less than the second number.
The <= comparison will be true if and only if the first number is less than
or equal to the second number. The > comparison will be true if and only if
the first number is greater than the second number. The >= comparison will
be true if and only if the first number is greater than or equal to the
second number."
This seems to be exactly as Micheal Kay described it. Hope that helps...
Benjamin
From: Brook Ellingwood <brook(_at_)mootkat(_dot_)com>
Reply-To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
To: <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Subject: Re: [xsl] xsl Greater than and Less than.
Date: Mon, 06 Oct 2003 10:29:52 -0700
If I can interject here, exactly how strings are compared in XSL 1.0 has
been an area of some confusion for me. Doug Tidwell's O'Reilly book states:
"If both objects are strings: Then they are equal if their Unicode
characters are identical. For less-than and greater-than comparisons, the
character codes are compared."
I've been told by people at Microsoft that this interpretation of the spec
is wrong but that early versions of MSXML (not sure which ones) used this
same mistaken interpretation, but MSXML4 doesn't. At the time, I tried to
figure it out what the spec was saying for myself, but didn't get very far
-- I was a bit out of my element at that point. It sounds like this agrees
with what Michael is saying.
-- Brook
From: "Michael Kay" <mhk(_at_)mhk(_dot_)me(_dot_)uk>
Reply-To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Date: Mon, 6 Oct 2003 16:46:31 +0100
To: <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>
Subject: RE: [xsl] xsl Greater than and Less than.
If I decode your message correctly, you are using whatever processor
Microsoft Windows gives you. That's an XSLT 1.0 processor. With a 1.0
processor, when you compare two strings using < or > they are converted
to numbers, which in this case gives you NaN, and NaN<NaN is always
false.
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
_________________________________________________________________
Get McAfee virus scanning and cleaning of incoming attachments. Get Hotmail
Extra Storage! http://join.msn.com/?PAGE=features/es
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list