As I understand it, you could unset a property programmatically, but not via normal use of the property task in an Ant buildfile.
-Matt --- Hari Kodungallur <[EMAIL PROTECTED]> wrote: > actually, it will be very helpful for me also to > know whether we > can unset a property. > > scott, however, you can use the <if> task provided > by ant-contrib > (its on sourceforge > http://sourceforge.net/projects/ant-contrib) > as a work around. thats what i am doing now > > say the value of the property "this.target.built" > can be either > "true" or "false" > > then you can do something like > > <if> > <equals arg1="${this.target.built}" > arg2="true"/> > <then> > ... > </then> > <else> > ... > </else> > </if> > > -hk > > > > > On Wed, 13 Nov 2002 Klein, Scott @ TW wrote : > >OK. So I have determined that Ant is currenty not > capable of > >doing the > >following within a single task (if I'm wrong, > please correct > >me): > > if condition exists, do stuff > > else stop executing script > > > >however, in order to make my targets re-useable for > a variety of > >purposes I > >require my properties to be UNset after they are > checked: > > <target name="checkErrorForFoo" unless="bar"> > > <fail /> > > </target> > > > > <target name="foo" if="bar"> > > .. do some stuff .. > > ?? unset the property bar ?? > > </target> > > > > <target name="foobar"> > > <condition name="bar"> > > .. whatever .. > > </condition> > > <antcall target="checkErrorForFoo"> > > <antcall target="foo"> > > > > <condition name="bar"> > > .. whatever .. > > </condition> > > <antcall target="checkErrorForFoo"> > > <antcall target="foo"> > > </target> > > > >So I only want target "foo" to execute under > certain conditions, > >however > >once the property is set there is no way to unset > it. Say I want > >foo to be > >copyFile then I need to have copyFileForTarget1 > >copyFileForTarget2 - plus > >all of the properties and error checks (which is > another > >story). > > > >I've read that something much easier is being > promised in Ant2, > >but > >shouldn't simple logic be supported already? It > just seems > >strange to me > >that it is not. > > > >Anyway, if there is a simple solution to this that > I've missed I > >would love > >to hear about it. > > > > > >thanks > >scott > > > >-- > >To unsubscribe, e-mail: > ><mailto:ant-user-unsubscribe@;jakarta.apache.org> > >For additional commands, e-mail: > ><mailto:ant-user-help@;jakarta.apache.org> > > > > __________________________________________________________ > Give your Company an email address like > ravi @ ravi-exports.com. Sign up for Rediffmail Pro > today! > Know more. http://www.rediffmailpro.com/signup/ > > > -- > To unsubscribe, e-mail: > <mailto:ant-user-unsubscribe@;jakarta.apache.org> > For additional commands, e-mail: > <mailto:ant-user-help@;jakarta.apache.org> > __________________________________________________ Do you Yahoo!? U2 on LAUNCH - Exclusive greatest hits videos http://launch.yahoo.com/u2 -- To unsubscribe, e-mail: <mailto:ant-user-unsubscribe@;jakarta.apache.org> For additional commands, e-mail: <mailto:ant-user-help@;jakarta.apache.org>
