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new tool scandirpdf2noocr
Recursively removes all the ocr text from the pdfs. Can be needed if your ocr sw happens to append its generated text to the one already present. This tool should only be used on pdf files that were the result of scans and were processed through OCR. Running this tool on a pdf that is a printout of .doc file will totally remove the text !
Use this tool with caution on a copy of your pdfs and verify for each type of pdf (categorized by the way it was produced) that your pdf remains unaltered visually. This check is recommended, because some OCR tools can embed fonts and have them replace the bitmaps. In that case, you are screwed, you may never be able to remove properly the OCR.