At 12:06 PM 1/15/2002 -0800, Diane Holt wrote:
>See bug #1733 in the bugs database -- a couple of alternative approaches
>were suggested, as well as a little task that allows for dereferencing:
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=1733
The suggestion there for a fixed set of property files (which is actually
the technique I use in a modular build system but I didn't recommend
because it turns out to be a little cumbersome), leads to another generic
approach for dynamic property names which doesn't require any optional tasks:
<?xml version="1.0"?>
<project name="dynamicproperty" basedir="." default="main">
<target name="init">
<property name="a" value="aaa"/>
<property name="b" value="bbb"/>
<property name="c" value="${a}.${b}"/>
<property name="aaa.bbb" value="x"/>
<echo file="dynamicproperties.tmp">
d=$${${c}}
</echo>
<property file="dynamicproperties.tmp"/>
</target>
<target name="main" depends="init">
<echo>
Property 'd' value is "${d}".
</echo>
</target>
</project>
That is a little gross but is a direct solution to the originally posed
problem.
jim
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