--- [EMAIL PROTECTED] wrote: > Hello, > > Would it be possible to add if and unless attributes > to the env and arg > elements used in exec, in the same way that include > and exclude elements > have? This would make the use of exec more flexible. > > > A problem that I currently have is that a script > being called from Ant > will check the environment variables. The idea is > that it behaves in a > similar way to Ant, in that the behaviour will > change depending on > whether a environment property is defined. But I > cannot see how to do > this with Ant as <env> elements cannot be > conditionally defined. If an > <env> element is added with a given name, that env > variable will exist > in the execution environment even if the value is an > empty string. > > Any suggestions on alternative approaches are > appreciated. This could be > done with XSLT but I would rather not introduce that > level of > complexity. >
if it is "defined vs. not defined" you could use conditionally defined presetdefs. If it is (or can be interpreted as) value-contingent, you could use a conditionally-set property value. -Matt > paul > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]