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https://issues.apache.org/jira/browse/TIKA-4172?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17789318#comment-17789318
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Tilman Hausherr commented on TIKA-4172:
---------------------------------------
https://tika.apache.org/2.1.0/detection.html
"Where the name of the file is known, it is sometimes possible to guess the
file type from the name or extension. Within the tika-mimetypes.xml file is a
list of patterns which are used to identify the type from the filename.
However, because files may be renamed, this method of detection is quick but
not always as accurate."
> Apple binary file incorrectly identified as text/x-sql due to filename
> ----------------------------------------------------------------------
>
> Key: TIKA-4172
> URL: https://issues.apache.org/jira/browse/TIKA-4172
> Project: Tika
> Issue Type: Bug
> Components: general
> Affects Versions: 2.9.1
> Reporter: martin k.
> Priority: Minor
>
> This is related to [https://github.com/eikek/docspell/issues/2376] and
> [https://github.com/eikek/docspell/issues/2403.]
> Take the following Base64 encoding of a binary Apple-generated file. No idea
> what it does. You can get the file by piping the following to e.g. {{base64
> -d > something.sql}}
> {code:java}
> ABRkMDEwMWM2Nl9teVNRTDQwLnNxbAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAbUJJTgAA
> AAAAAAAAAAAAAAAAAACCgf+/AAA=
> {code}
> If this file is name {{{}something.sql{}}}, then Tika will classify it as
> {{{}text/x-sql{}}}, which it is not. It seems like more weight is given to
> the filename (extension) than the fact that the file is binary anyway.
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