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https://issues.apache.org/jira/browse/CONFIGURATION-273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12498503
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Oliver Heger commented on CONFIGURATION-273:
--------------------------------------------
Maybe we could implement this feature in a more generic way: The copy methods
in ConfigurationUtils could support an additional mode, in which interpolation
is automatically performed for affected properties, so that the resulting
configuration only contains properties with resolved variables.
Then you can use arbitrary destination configurations, including file-based
configurations, which can be saved later.
For hierarchical configurations this task is a bit more complicated (they are
not fully supported by the copy() methods of ConfigurationUtils), but it should
be possible, too.
> Saving with interpolation
> -------------------------
>
> Key: CONFIGURATION-273
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-273
> Project: Commons Configuration
> Issue Type: New Feature
> Affects Versions: 1.4
> Reporter: Daniel Adrian
>
> It will be very nice if you'll add the ability to save a configuration file
> with the interpolation data.
> so if my config file is :
> my_home=127.0.0.1
> my_place=Is ${my_home}
> when I save the configuration (let's say with save(true)) it will look like
> my_home=127.0.0.1
> my_place=Is 127.0.0.1
> Thank you!
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