So that's a different story - no output means that you probably need to install additional language data. For German it's in a tesseract-ocr-deu package (or tesseract-ocr-deu-f in case of Fraktur script).
I don't know if 2.x series is good enough for German, but you may also consider this PPA, which contains fresh 3.x packages and few other fresh OCR tools, inluding other good engine, CuneiForm:
Developer I talk with about new official packages said it's a problem with Debian "free" constrains on language data and he needs few days to work it out, but those PPA files work good for Polish.
So that's a different story - no output means that you probably need to install additional language data. For German it's in a tesseract-ocr-deu package (or tesseract-ocr-deu-f in case of Fraktur script).
I don't know if 2.x series is good enough for German, but you may also consider this PPA, which contains fresh 3.x packages and few other fresh OCR tools, inluding other good engine, CuneiForm:
https:/ /launchpad. net/~alex- p/+archive/ notesalexp/
Developer I talk with about new official packages said it's a problem with Debian "free" constrains on language data and he needs few days to work it out, but those PPA files work good for Polish.