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From: Jan.Materne@rzf.fin-nrw.de
To: user@ant.apache.org
Subject: AW: Conditional logic in ANT build scripts
Date: Wed, 9 Apr 2003 08:52:28 +0200 
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<target name=3D"dev-check">
    <condition property=3D"dev-check">
        <isequal arg1=3D"dev" arg2=3D"${environment}"/>
    </condition>
</target>

<target name=3D"dev" depends=3D"dev-check" if=3D"dev-check">
    <echo> DEV-Environment </echo>
</target>=20


Jan Mat=E8rne


> -----Urspr=FCngliche Nachricht-----
> Von: Andrew Zeon [mailto:AndrewZ@hothouse.com.au]
> Gesendet am: Mittwoch, 9. April 2003 08:55
> An: Ant Mailing List (E-mail)
> Betreff: Conditional logic in ANT build scripts
>=20
> Hi,=20
>=20
> I know that the 'if' attribute in the 'target' task can be=20
> used to determine
> whether or not a target should be executed. However, it is my=20
> understanding
> that the 'if' attribute does not take into consideration the=20
> value of the
> property... it merely checks its presence. Is there a way I=20
> can dynamically
> determine whether or not a target is to be executed according=20
> to the actual
> value of a property?
>=20
> The reason why I ask is I have a build script, but that build =
script's
> behaviour has to be different for different environments.=20
> This is how I
> invoke my script:
>=20
> "ant -Denvironment=3Ddev dist"
>=20
> for the development environment
>=20
> "ant -Denvironment=3Dstaging dist "
>=20
> for the staging environment
>=20
> ant -D environment=3Dlive dist
>=20
> for the live environment
>=20
>=20
> I have targets which should only be run for specific=20
> environments... how can
> I do this?
>=20
> Thanks.
>=20
> ---------------------------------------------------------------------
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>=20

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