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From "Charles Hudak" <>
Subject RE: Using command line arguments
Date Thu, 16 Sep 2004 18:14:10 GMT
Create a clean target that removes the build directory.

If you want to do a clean before compile, run 'ant clean compile'. If
you don't, run 'ant compile'. Pretty standard stuff...

> -----Original Message-----
> From: Satish Jeejula [] 
> Sent: Thursday, September 16, 2004 11:08 AM
> To:
> Subject: Using command line arguments
> Hi All,
> I just started learning ANT tool. I have a simple build file 
> that compiles java file into a build directory successfully. 
> The build file right now deletes the build directory every 
> time it runs. I would like to change it such a way so that 
> the build directory is deleted only when user specifies it as 
> command-line argument.
> e.g.: ant -f compile.xml compile -DdeleteBuildDir=true  ----> 
> should delete the build directory
> e.g.: ant -f comile.xml compile ----> should not delete the 
> build directory.
> I am thinking of creating another target which deletes the 
> directory. Then execute that target only when this 
> command-line argument is passed.
> Please let me know if this can achieved and if so, any clue 
> or hints will help me.
> Thanks,
> Satish
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