From b9a346ce7da812b9c05f45a64bc64efa4e8dd80e Mon Sep 17 00:00:00 2001 From: fritz-hh Date: Mon, 22 Apr 2013 20:56:45 +0200 Subject: [PATCH] OCRmyPDF.sh: log levels implemented fixes #5 --- OCRmyPDF.sh | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/OCRmyPDF.sh b/OCRmyPDF.sh index 1a973554..5cb14990 100644 --- a/OCRmyPDF.sh +++ b/OCRmyPDF.sh @@ -91,7 +91,7 @@ FILE_INPUT_PDF="$1" # check if the required utilities are installed -echo "Checking if all dependencies are installed" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Checking if all dependencies are installed" ! command -v gs > /dev/null && echo "Please install ghostcript. Exiting..." && exit $EXIT_MISSING_DEPENDENCY ! command -v identify > /dev/null && echo "Please install ImageMagick. Exiting..." && exit $EXIT_MISSING_DEPENDENCY ! command -v pdfimages > /dev/null && echo "Please install xpdf. Exiting..." && exit $EXIT_MISSING_DEPENDENCY @@ -112,7 +112,7 @@ FILE_OUTPUT_PDFA="${tmp}/ocred-pdfa.pdf" # name of the final PDF/A file FILE_VALIDATION_LOG="${tmp}/pdf_validation.log" # log file containing the results of the validation of the PDF/A file # delete tmp files -echo "Removing old temporary files" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Removing old temporary files" rm -r -f "${tmp}" mkdir -p "${tmp}" @@ -120,12 +120,12 @@ mkdir -p "${tmp}" # get the size of each pdf page (width / height) in pt (inch*72) -echo "Input file: Extracting size of each page (in pt)" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Input file: Extracting size of each page (in pt)" ! identify -format "%w %h\n" "$FILE_INPUT_PDF" > "$FILE_SIZE_PAGES" \ && echo "Could not get size of PDF pages. Exiting..." && exit $EXIT_BAD_INPUT_FILE sed -I "" '/^$/d' "$FILE_SIZE_PAGES" # removing empty lines (last one should be) numpages=`cat "$FILE_SIZE_PAGES" | wc -l | sed 's/^ *//g'` -echo "Input file: The file has $numpages pages" +[ $VERBOSITY -ge $LOG_INFO ] && echo "Input file: The file has $numpages pages" # Itterate the pages of the input pdf file cpt="1" @@ -133,7 +133,7 @@ while read pageSize ; do # add leading zeros to the page number page=`printf "%04d" $cpt` - echo "Processing page $page" + [ $VERBOSITY -ge $LOG_INFO ] && echo "Processing page $page" # create the name of the required file curOrigImg="$tmp/${page}_Image" # original image available in the current PDF page @@ -141,7 +141,7 @@ while read pageSize ; do curHocr="$tmp/$page.hocr" # hocr file to be generated by the OCR SW for the current page curOCRedPDF="$tmp/${page}-ocred.pdf" # PDF file containing the image + the OCRed text for the current page - echo "Page $page: Computing embedded image resolution" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Computing embedded image resolution" # get width / height of PDF page heightPDF=`echo $pageSize | cut -f1 -d" "` widthPDF=`echo $pageSize | cut -f2 -d" "` @@ -177,13 +177,13 @@ while read pageSize ; do curImgPixmapClean="$tmp/$page.cleaned.$ext" # extract current page as image with right orientation and resoltution - echo "Page $page: Extracting image as $ext file (${dpi} dpi)" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Extracting image as $ext file (${dpi} dpi)" ! pdftoppm -f $page -l $page -r $dpi $opt "$FILE_INPUT_PDF" > "$curImgPixmap" \ && echo "Could not extract page $page as $ext from $FILE_INPUT_PDF. Exiting..." && exit $EXIT_OTHER_ERROR # if requested deskew image (without changing its size in pixel) if [ "$PREPROCESS_DESKEW" -eq "1" ]; then - echo "Page $page: Deskewing image" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Deskewing image" ! convert "$curImgPixmap" -deskew 40% -gravity center -extent ${heightCurOrigImg01}x${widthICurOrigImg01} "$curImgPixmapDeskewed" \ && echo "Could not deskew \"$curImgPixmap\". Exiting..." && exit $EXIT_OTHER_ERROR else @@ -192,7 +192,7 @@ while read pageSize ; do # if requested clean image with unpaper to get better OCR results if [ "$PREPROCESS_CLEAN" -eq "1" ]; then - echo "Page $page: Cleaning image with unpaper" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Cleaning image with unpaper" ! unpaper --dpi $dpi --mask-scan-size 100 \ --no-deskew --no-grayfilter --no-blackfilter --no-mask-center --no-border-align \ "$curImgPixmapDeskewed" "$curImgPixmapClean" 1> /dev/null \ @@ -202,13 +202,13 @@ while read pageSize ; do fi # perform OCR - echo "Page $page: Performing OCR" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Performing OCR" ! tesseract -l "$LAN" "$curImgPixmapClean" "$curHocr" hocr 1> /dev/null 2> /dev/null \ && echo "Could not OCR file \"$curImgPixmapClean\". Exiting..." && exit $EXIT_OTHER_ERROR mv "$curHocr.html" "$curHocr" # embed text and image to new pdf file - echo "Page $page: Embedding text in PDF" + [ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: Embedding text in PDF" if [ "$PREPROCESS_CLEANINPDF" -eq "1" ]; then image4finalPDF="$curImgPixmapClean" else @@ -235,7 +235,7 @@ done < "$FILE_SIZE_PAGES" # concatenate all pages -echo "Output file: Concatenating all pages" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Concatenating all pages" ! pdftk $FILES_OCRed_PDFS cat output "$FILE_OUTPUT_PDF" \ && echo "Could not concatenate individual PDF pages (\"$FILES_OCRed_PDFS\") to one file. Exiting..." && exit $EXIT_OTHER_ERROR @@ -245,14 +245,14 @@ echo "Output file: Concatenating all pages" # the name of the file may be used as title # convert the pdf file to match PDF/A format -echo "Output file: Conversion to PDF/A" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Converting to PDF/A" ! gs -dQUIET -dPDFA -dBATCH -dNOPAUSE -dUseCIEColor \ -sProcessColorModel=DeviceCMYK -sDEVICE=pdfwrite -sPDFACompatibilityPolicy=2 \ - -sOutputFile=$FILE_OUTPUT_PDFA "$FILE_OUTPUT_PDF" \ + -sOutputFile=$FILE_OUTPUT_PDFA "$FILE_OUTPUT_PDF" 1> /dev/null 2> /dev/null \ && echo "Could not convert PDF file \"$FILE_OUTPUT_PDF\" to PDF/A. Exiting..." && exit $EXIT_OTHER_ERROR # validate generated pdf file (compliance to PDF/A) -echo "Output file: Checking compliance to PDF/A standard" +[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Output file: Checking compliance to PDF/A standard" java -jar /root/jhove-1_9/jhove/bin/JhoveApp.jar -m PDF-hul "$FILE_OUTPUT_PDFA" > "$FILE_VALIDATION_LOG" grep -i "Status|Message" "$FILE_VALIDATION_LOG" # summary of the validation # check if the validation was successful