[jira] Commented: (CONFIGURATION-284) ability to read OS environment variables

["Chandra (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CONFIGURATION-284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762504#action_12762504 ] 

Chandra commented on CONFIGURATION-284:
---------------------------------------

Hello there,
The "env" interpolator prefix still does not seem to work. On investigation, I noticed that we have a new java class to support reading environment variables from different OSes, but there is no interpolator class (extending StrLookup) that supports the "env" prefix.
Could someone look into this? For the moment, I have put in a class myself locally. Will add to the repository once I find some time..

Regards.

> ability to read OS environment variables
> ----------------------------------------
>
>                 Key: CONFIGURATION-284
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-284
>             Project: Commons Configuration
>          Issue Type: New Feature
>          Components: Interpolation
>            Reporter: Aksel Schmidt
>            Assignee: Oliver Heger
>            Priority: Minor
>             Fix For: 1.5
>
>         Attachments: CONFIGURATION-284.patch, EnvironmentConfiguration.java
>
>
> suggestion:
> interpolation with system environment, i.e.
> ${sys:user.name} reads from systemproperties (as of today)
> ${sysenv:TEMP} reads from OS environment
> these can be parsed from a supported set of OS's - windows read from a set in a "cmd /c", unix/linux from an "env" etc. (just once on demand)

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