[jira] [Issue Comment Deleted] (TIKA-1541) StringsParser: a simple strings-based parser for Tika

["Giuseppe Totaro (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TIKA-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Giuseppe Totaro updated TIKA-1541:
----------------------------------
    Comment: was deleted

(was: tika-1541.patch (preliminary work))

> StringsParser: a simple strings-based parser for Tika
> -----------------------------------------------------
>
>                 Key: TIKA-1541
>                 URL: https://issues.apache.org/jira/browse/TIKA-1541
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>            Reporter: Giuseppe Totaro
>         Attachments: TIKA-1541.patch
>
>
> I thought to implement an extremely simple implementation of {{StringsParser}}, a parser based on the {{strings}} command (or {{strings}}-alternative command), instead of using the dummy {{EmptyParser}} for undetected files. It is a preliminary work (you can see a lot of todos). It is inspired by the work on {{TesseractOCRParser}}. You can find the patch in attachment.
> I created a GitHub [repository|https://github.com/giuseppetotaro/StringsParser] for sharing the code. As first test, you can clone the repo, build the code using the {{build.sh}} script, and then run the parser using the {{run.sh}} script on some [govdocs1|http://digitalcorpora.org/corpora/govdocs] files (grabbed from "016" subset) detected as {{application/octet-stream}}. The latter script launches a simple {{StringsTest}} class for testing.
> I hope you will find the {{StringsParser}} a good solution for extracting ASCII strings from undetected filetypes. As far as I understood, many "sophisticated" forensics tools work in a similar manner for indexing purposes. They use a sort of {{strings}} command against files that they are not able to detect.
> In addition to run {{strings}} on undetected files, the {{StringsParser}} launches the {{file}} command on undetected files and then writes the output in the {{strings:file_output}} property (I noticed that sometimes the {{file}} command is able to detect the media type for documents not detected by Tika).
> Finally, you can fine an old discussion about this topic [here|http://lucene.472066.n3.nabble.com/Default-MIME-Type-td645215.html]. Thanks [~chrismattmann].



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