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https://issues.apache.org/jira/browse/UIMA-2121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127372#comment-13127372
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Jens Grivolla commented on UIMA-2121:
-------------------------------------

Leaving out the installation directory doesn't work for me.

    if (null == args || args.length < 2) {
      printUsageAndExit();
    }

should probably check for "args.length < 1" to make the directory optional.  
The install directory should also be marked as optional in the usage message.

Other than that the simplified argument parsing with positional parameters 
should be fine.
                
> command line PEAR installer
> ---------------------------
>
>                 Key: UIMA-2121
>                 URL: https://issues.apache.org/jira/browse/UIMA-2121
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Tools
>            Reporter: Jens Grivolla
>            Assignee: Jens Grivolla
>            Priority: Minor
>             Fix For: 2.4.0SDK
>
>         Attachments: PearInstallCLI.java
>
>
> There should be a way to install PEARs without having to use the GUI 
> PearInstaller.  This is especially important when installing all needed PEARs 
> for a project, or doing a clean reinstall.

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