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From "Oliver Heger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CONFIGURATION-338) PropertiesConfiguration should allow variable interpolation for includes
Date Wed, 08 Oct 2008 20:05:44 GMT

    [ https://issues.apache.org/jira/browse/CONFIGURATION-338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638055#action_12638055
] 

Oliver Heger commented on CONFIGURATION-338:
--------------------------------------------

Many thanks!

A patch would be appreciated. Any chance you could also provide a unit test?

> PropertiesConfiguration should allow variable interpolation for includes
> ------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-338
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-338
>             Project: Commons Configuration
>          Issue Type: Improvement
>    Affects Versions: 1.5
>            Reporter: David Donn
>
> It would be nice if Include files were subject to the same variable interpolation as
regular properties.
> e.g. it should be possible to do
> include=${sys:myfilename}
> I think it is simply a matter of changing the call in to loadIncludeFile() PropertiesConfiguration.propertyLoaded()
from:
> loadIncludeFile(files[i].trim());
> to:
> loadIncludeFile(interpolate(files[i].trim()));
> I am happy to submit a patch.

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