--- Mark Soderquist <[EMAIL PROTECTED]> wrote:
> I would like to set the value of a property based on the value of
> another property. Specifically I have a variable that is being
> passed in on the command line with -D. I need to examine the value
> of that property and set a different property based on that value.
> Is this possible? If so, how can it be done?
>
> =Mark
>
OK, suppose you have -Dvar=value1 on the Ant command line. Suppose the
values of var could be value1, value2, and value3. Now define a
property to test the value:
<property name="var.${var}" value="true" />
So you need to test var for 3 different values (let's say), and set
another property accordingly. Here's how you do it:
<target name="test-value1" if="var.value1">
<!-- Define your property here -->
</target>
<target name="test-value2" if="var.value2">
<!-- Define your property here -->
</target>
<target name="test-value3" if="var.value3">
<!-- Define your property here -->
</target>
Now to perform the test all you need is:
<target name="set-property"
depends="test-value1,test-value2,test-value3" />
So when the target "set-property" is invoked your property will be set
according to the value of the property you defined on the command line.
Admittedly it's a bit of a kludge, but that's how it's done.
-- Don
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