Beginner question : could not initialize tesseract, missing eng.traineddata file in tessdata

[Roparzh Hemon]

Hello,

 I am a complete beginner to Tesseract. I just installed it on my Ubuntu machine.

Here is a snippet from my Terminal : 

$ echo TESSDATA_PREFIX

/home/mbalambala/tesseract/tessdata

$ tesseract Downloads/p1.pdf p1

Error opening data file /home/mbalambala/tesseract/tessdata/eng.traineddata

Please make sure the TESSDATA_PREFIX environment variable is set to your "tessdata" directory.

Failed loading language 'eng'

Tesseract couldn't load any languages!

Could not initialize tesseract.

$ ls /home/mbalambala/tesseract/tessdata

configs                    eng.user-words Makefile.am pdf.tiff 

eng.user-patterns Makefile              Makefile.in   tessconfigs 

So it seems I need to produce a eng.traineddate file in my tessdata directory, how do I do this ?

[Adriana Camilleri]

Run the following command in order to get the eng.traineddata file within the tessdata directory: wget https://github.com/tesseract-ocr/tessdata/blob/master/eng.traineddata

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[Roparzh Hemon]

I downloaded it as you suggested, and as the terminal output below shows, the file is now present at the correct place :

$file /home/mbalambala/tesseract/tessdata/eng.traineddata

/home/mbalambala/tesseract/tessdata/eng.traineddata : HTML document, UTF-8 Unicode text, with very long lines

$ echo TESSDATA_PREFIX

/home/mbalambala/tesseract/tessdata

but the error message stays exactly the same :

$ tesseract Downloads/p1.pdf p1

Error opening data file /home/mbalambala/tesseract/tessdata/eng.traineddata

Please make sure the TESSDATA_PREFIX environment variable is set to your "tessdata" directory.

Failed loading language 'eng'

Tesseract couldn't load any languages!

Could not initialize tesseract.

Whatever the real problem is, the error message is not detecting it.

[Shree Devi Kumar]

>wget https://github.com/tesseract-ocr/tessdata/blob/master/eng.traineddata

That is not correct. You need to get the `raw` file.

https://github.com/tesseract-ocr/tessdata_best/raw/master/eng.traineddata

wget https://github.com/tesseract-ocr/tessdata/blob/master/eng.traineddata  

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[Adriana Camilleri]

My apologies... hope the error is now fixed.

[Roparzh Hemon]

shree : your solution worked for me, thanks a lot.