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Settting environment variables

Settting environment variables

2007-04-19       - By Martin Gainty
Reply:     1     2     3     4     5     6     7     8     9     10  

true ..the immutable property primary contribution was in file property
expansion and the ability for the value of an environment var to propagate
to 'property'

If you're looking for the ability to change (a variable) in build.xml take
look at ant-contrib 'variable'
http://ant-contrib.sourceforge.net/tasks/tasks/variable_task.html

M--
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----- Original Message -----
From: <Kajsa.Anderson@(protected)>
To: <user@(protected)>
Cc: <search2006@(protected)>
Sent: Thursday, April 19, 2007 10:11 AM
Subject: RE: Settting environment variables


Propertys in Ant are immutable, so you can't reset the value (with vanilla
Ant - ant-contrib may let you).

Depending on what you need the system property for, though, you may be able
to use <sysproperty>.

Kajsa

-----Original Message-----
From: query [mailto:search2006@(protected)]
Sent: Thursday, April 19, 2007 8:26 AM
To: ant
Subject: Settting environment variables



Hi,

I am having a set of ANT build files. I want to change "Path" and "include"
environment variables only in build file.
I tried the following options to reset "include" variable in the build file.

<property environment="env"/>
1.<exec executable="cmd">
    <env key="include" path="${new.includepath}"/>
 </exec>

2.<property name="${env.include}" value="${new.includepath}"/>

3.<property name="env.include" value="${new.includepath}"/>

4.<property name="env.${include}" value="${new.includepath}"/>


When I tried to echo "include" variable in the same build file, it is still
showing the default old settings.

Is there any other way to modify the environment variables only for some
instance and not for other?

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