> My first question is 'How do you know that value="b" is supposed to be
expanded and not just the literal "b" ? '
Because it gets expanded into a nested ${ }.
> and how does nant know that
abc = "123" means a=1, b=2 and c=3 ? Initially it seems like this would
introduce some user confusion. Maybe I'm missing somthing though.
Because property abc expands to 123 (not a=1, b=2, c=3). I think my example
was a bit confusing.
For clarity here it is again.
If you went:
<property name="alpha" value="a"/>
<property name="bravo" value="b"/>
<property name="charlie" value="c"/>
<property name="abc" value="123/>
<echo message="${alpha}"/>
you would get (as you would expect):
[echo] a
If you went:
<echo message="${${alpha}bc}"/>
You would get (something you might expect - I hope):
[echo] 123
What has happened is that ${alpha} got expanded to 'a' and then used to form
the next property name 'abc' for the nested expansion to give '123'.
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