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From Matthew Inger <>
Subject Re: What properties are available
Date Thu, 09 Aug 2001 14:21:53 GMT
Environment variables are a non standard way of doing things
with java.  The reason they are not readily available is that they
do not exist on all platforms (here is where I cough, and point
fingers at MacOs before version X).

Therefore, they're not available.  the way  you have to make them
available is by passing them on the command line as System properties:

java -Dmy.var=${MY_VAR} test.class

Stefan Bodewig wrote:

>On Thu, 9 Aug 2001, Patrick O'Hara <>
>>I have found that the environment is not available on Win2K.
>Java (>= JDK 1.1) doesn't have access to environment variables on any
>platform I was aware of.
>>I am wondering if these values are available as properties within
>ANT_HOME will be the property ant.home, if and only if you invoke Ant
>with the wrapper script that ships with it - JAVA_HOME is vaguely the
>same as java.home, they are identical for JDK 1.1, but JDK 1.2+ make
>java.home point to JAVA_HOME/jre.
>More generally, to access environment variables, take a look at
><property>'s environment attribute.
>>The more general question is how can I get a list of the properties
>>that are available?
>ant -debug 
>(make sure you capture the stuff somewhere as the output may be
>overwhelming 8-).

Matt Inger (
Sedona Corporation
455 S. Gulph Road, Suite 300
King of Prussia, PA 19406
(484) 679-2213
"Self-respect - the secure feeling that no one,
 as yet, is suspicious." -H.L. Mencken 

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