Per Thomas Jahr <[EMAIL PROTECTED]> wrote:

> I want to check if the commapi.jar is available in the projects
> classpath.

Then you shouldn't use the file attribute of <available> as this
searches for files in the filesystem, not for parts of your
classpath.

What you want to do is to use the classname attribute and search for a
class that can only be loaded from that specific jar file.

Take a look at Ant's own buildfile - the check_for_optional_packages
target.

Stefan

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