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From "Anderson, Rob (Global Trade)" <Rob.Ander...@nike.com>
Subject RE: Can we pass parameter to Ant target?
Date Wed, 21 Jun 2006 16:10:28 GMT
Often there are a set of properties you might use with a given
environment. I suggest creating a properties file for each environment
like so...

localhost.properties
=====================
ip.address=100.10.0.48
deploy.path=/usr/local/tomcat/webapps
remote.user=tomcat

Then in your build.xml you would load the properties file with...

<property file="${env}.properties"/>

And run ant by passing in the env property...

ant -Denv=localhost target

You can also include some error checking targets/tasks for sanity...

<fail unless="env">You must specify the env property when you run
ant.</fail>
<available property="env.prop.file.exists" file="${env}.properties"/>
<fail unless="env.prop.file.exists">Cannot find ${env}.properties
file.</fail>

...or...

<target name="get.env" unless="env">
  <input defaultvalue="localhost" message="What environment?"/>
  <available property="env.prop.file.exists" file="${env}.properties"/>
  <fail unless="env.prop.file.exists">Cannot find ${env}.properties
file.</fail>
</target>

-Rob Anderson

> -----Original Message-----
> From: wolverine my [mailto:wolverine.my@gmail.com] 
> Sent: Wednesday, June 21, 2006 3:48 AM
> To: Ant Users List
> Subject: Can we pass parameter to Ant target?
> 
> Hi!
> 
> Is it possible to pass parameters/arguments to a Ant target?
> For an example,
> 
> > ant deploy localhost
> 
> where we specify the deployment server as a parameter when 
> invoking the "deploy" target. The "localhost" could be 
> another property defined in the build file,
> 
>   <property name="localhost" value="100.10.0.48"/>
> 
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> 
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