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From: Jan.Materne@rzf.fin-nrw.de
To: user@ant.apache.org
Subject: RE: Conditionally setting property values
Date: Mon, 9 Feb 2004 08:06:13 +0100 
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First I try

  <property file=3D"${os.name}.properties"/>

with a bundle of files

  windows.properties
  unix.properties
  ...


Jan



> -----Original Message-----
> From: Antoine L=E9vy-Lambert [mailto:antoine@antbuild.com]
> Sent: Saturday, February 07, 2004 11:32 AM
> To: Ant Users List
> Subject: Re: Conditionally setting property values
>=20
>=20
> Steven Scheffler wrote:
>=20
> >You can achieve the below by using the ant-contrib package.  Go here
> >(http://ant-contrib.sourceforge.net/) to download.
> >
> >Using the <if> task you can express the if/then/else type=20
> logic you're
> >looking for.
> >
> >-----Original Message-----
> >From: Holliday, Donald B. (LNG-CSP)=20
> [mailto:Donald.Holliday@lexisnexis.com]=20
> >Sent: Friday, February 06, 2004 5:39 PM
> >To: 'Ant Users List'
> >Subject: Conditionally setting property values
> >
> >I have ant build scripts that need to run on both Win2K and=20
> Solaris.  The
> >JDK/SDKs, JREs, and locally constructed jar files are in different
> >directories, depending on the operating system.
> >
> >I want to write a script that says something like
> >	<if os.arch=3D"windows" >
> >		set a bunch of properties
> >	</if>
> >	<if os.arch=3D"unix" >
> >		set the same properties, only to different values
> >	</if>
> >
> ><condition> provides "if" like properties, but I can't see=20
> how this allows
> >me to set many properties to different values based on one=20
> condition test.
> >
> >Is there an easy way to do this?  If there is, what is it?
> >
> >Thanks,
> >
> >Donald Holliday
> >
> > =20
> >
> There is also a possibility using vanilla ant to do the=20
> equivalent. You=20
> need to use specific targets to set "flag" properties, then use these =

> flag properties with the if and unless clauses of other targets.
>=20
> For instance
>=20
> <target name=3D"checkos">
>     <condition property=3D"onwindows">
>           <os family=3D"windows"/>
>     </condition>
>     <condition property=3D"onunix">
>           <os family=3D"unix"/>
>     </condition>
> </target>
>=20
> <target name=3D"setwindowsproperties" if=3D"onwindows">
>     <!-- define your windows specific properties here -->
> </target>
>=20
> <target name=3D"setunixproperties" if=3D"onunix">
>     <!-- define your unix properties here -->
> </target>
>=20
> <target name=3D"setproperties"=20
> depends=3D"checkos,setwindowsproperties,setunixproperties"/>
>=20
> If you write such a build file and start ant setproperties,=20
> you will do=20
> what you want.
>=20
> Cheers,
>=20
> Antoine
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
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>=20
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> For additional commands, e-mail: user-help@ant.apache.org
>=20

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