Dear "xsl list", whoever-you-are,
You check oddness or evenness generally the same way you do in the
particular case of alternating colors. If $count is your count of nodes, then
test="$count mod 2 = 1"
returns true for odd counts (when count is divided by 2, the remainder is 1)
test="$count mod 2 = 0"
returns true for even counts (when it's divided by 2 the remainder is 0)
Because of the number->Boolean casting rules (1 = true, 0 = false), if you say
test="$count mod 2"
it will test true for odd counts, false for even counts.
As Mike showed earlier today, the modulus operator (which returns
remainders) can be used like this to determine any kind of regular cycling,
not just odd-even.
Enjoy,
Wendell
At 05:47 PM 1/21/2005, you wrote:
So I have come down to this, I am going to get a count of how many
elements there are of a certain tag. How can I test if the number is
even or odd? Stateing the obvious here but if it came back with 3 of
the tag I would want a "this number is odd" returned (or 1 and 0 for
even).
I already have my rows alternating in color, but there are two sets, I
need to first check for directories and place them and then I check
for files and place them. When I check for files I then check to see
if there was a even or odd number of files telling me what color to
start on!
Thanks!
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