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https://issues.apache.org/jira/browse/TIKA-2064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15446089#comment-15446089
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Nick Burch commented on TIKA-2064:
----------------------------------

>From a quick google, `application/x-stata-dta` seems to be what other people 
>are using for these files

They look to be somewhat xml-based, so proper detection ought not to be too 
hard to sort out for them

Do you know the license of the test file you've referenced? And/or have the 
ability to create a small test DTA file that you can share with us to use in 
unit tests?

> Document type detected incorrectly for Stata datasets (.dta extension)
> ----------------------------------------------------------------------
>
>                 Key: TIKA-2064
>                 URL: https://issues.apache.org/jira/browse/TIKA-2064
>             Project: Tika
>          Issue Type: Bug
>          Components: detector
>    Affects Versions: 1.13
>            Reporter: Michael Stepner
>
> The content type of Stata datasets (created using http://www.stata.com 
> software) is incorrectly detected as `text/html` by Tika. I have tested this 
> using the latest release of Tika, v1.13:
> ```
> $ curl -O http://www.stata-press.com/data/r14/auto.dta
> $ java -jar tika-app-1.13.jar --detect auto.dta
> text/html
> ```
> I believe that the type should instead be `application/octet-stream` (or the 
> equivalent).
> I originally reported this bug downstream (at 
> https://github.com/laurilehmijoki/s3_website/issues/232), and was advised to 
> report upstream to Tika. In addition to the one I downloaded using `curl` in 
> my example, a variety of reference Stata datasets are posted here: 
> http://www.stata-press.com/data/r14/dmain.html



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