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From "Steve Loughran" <stev...@iseran.com>
Subject Re: Unsetting properties
Date Wed, 05 Jun 2002 05:01:31 GMT

----- Original Message -----
From: "STEELE Edwin" <Edwin_STEELE@rta.nsw.gov.au>
To: "Ant List (E-mail)" <ant-user@jakarta.apache.org>
Sent: Tuesday, June 04, 2002 6:07 PM
Subject: Unsetting properties


> Hi,
> The if and unless attributes on tasks only check
> whether the a property has been set or not. It doesn't
> look like a task can have multiple properties to check
> in an if or unless attribute (unlike the depend attribute)

you are right, but you can use <condition> to set a complex property

> so I'm wondering whether there is any reason why an
> unsetProperty type task couldn't be implemented.

you could certainly try, I dont know if you would be able to unset a
property with the current API

> Is there an assumption that once a property is set, it
> will remain set?

well, pretty much, yeah. The rule is that once a property is set, you cant
change it.




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