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https://issues.apache.org/jira/browse/KARAF-5568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327166#comment-16327166
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ASF GitHub Bot commented on KARAF-5568:
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jutzig opened a new pull request #436: [KARAF-5568] support return codes in
karaf commands
URL: https://github.com/apache/karaf/pull/436
if the return code of an Action is an integer it is
* no longer printed
* used as return code for an SSH shell
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> Karaf Commands cannot have return codes
> ---------------------------------------
>
> Key: KARAF-5568
> URL: https://issues.apache.org/jira/browse/KARAF-5568
> Project: Karaf
> Issue Type: Improvement
> Components: karaf-shell
> Affects Versions: 4.1.4
> Reporter: Johannes Utzig
> Priority: Major
>
> I've been trying to implement proper return codes for my custom karaf
> commands (so they can be evaluated when called via SSH) but it seems return
> codes are currently not handled correctly.
>
> If an 'Action' returns an Integer, that integer is currently printed out on
> stdout in the local shell and ignored in an SSH shell.
> I would like to submit a pull request that introduces the following changes:
> * for SSH (ShellCommand) use the result as exitStatus if it is an integer
> * for local shell (ConsoleSessionImpl) only print out the result it is an
> instance of string
>
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