Make ant quiet without the -q flag?

One option might be to set the logging level from within the target.

You can access loggers by means of a short script task. Something like:

<target ... >
    <script language="javascript">
        var logger = project.getBuildListeners( ).firstElement( );
        logger.setMessageOutputLevel( 0 );
    </script>
    ...
</target>

I’m not familiar with how Eclipse calls Ant, but it might be necessary to iterate over all the build listeners to get ‘silence’ all round.

Suggest that how ever you end up doing this, you make it easy to switch back to verbose running.

Edit – response to comment: You can access project properties from within the script using project.getProperty():

<property name="verboseFlag" value="1" />
<script language="javascript">
    var logger = project.getBuildListeners().firstElement();
    var verboseMode = project.getProperty( "verboseFlag" )
    if ( ! "1".equals( verboseMode ) )
        logger.setMessageOutputLevel( 0 );
</script>

(Somewhat old) API docs are here, including for the project class.

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