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https://issues.apache.org/jira/browse/TIKA-1639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14559327#comment-14559327
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Chris A. Mattmann commented on TIKA-1639:
-----------------------------------------

Hmm, I think one way to solve this then would be to have the ExternalParser 
have a section like so:

{code:xml}
<aliases>
  <metadata key="foo" alias="bar"/>
  <metadata key="foo2" alias="bar2"/>
</aliases>
{code}

Then, this could be looked up and used to ensure consistent metadata across 
Parsers. I've suggested this in TIKA-1640 and will implement it ASAP.


> Add EXIFTool as an ExternalParser
> ---------------------------------
>
>                 Key: TIKA-1639
>                 URL: https://issues.apache.org/jira/browse/TIKA-1639
>             Project: Tika
>          Issue Type: New Feature
>          Components: parser
>            Reporter: Chris A. Mattmann
>            Assignee: Chris A. Mattmann
>             Fix For: 1.9
>
>
> EXIFTool is a great Perl tool to extract metadata from tons of different 
> media formats, in particular video, audio and images:
> http://www.sno.phy.queensu.ca/~phil/exiftool/
> Now that ExternalParser works, it's fairly easy to support this.
> EXIFTool can be installed on Mac with:
> {noformat}
> $ brew install exiftool
> {noformat}
> On CentOS Linux, you can do:
> {noformat}
> $ sudo yum install perl-Image-ExifTool
> {noformat}



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