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OCRmyPDF.sh: few variables renamed for clarity

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fritz-hh 2013-05-05 20:44:03 +02:00
parent fd52650255
commit f7923a9761
1 changed files with 8 additions and 8 deletions
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16
OCRmyPDF.sh
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@ -153,7 +153,7 @@ today=$(date +"%Y%m%d_%H%M")
fld=$(basename "$FILE_INPUT_PDF" | sed 's/[.][^.]*//')
TMP_FLD="./tmp/$today.filename.$fld"
FILE_TMP="$TMP_FLD/tmp.txt" # temporary file with a very short lifetime (may be used for several things)
FILE_SIZE_PAGES="$TMP_FLD/page-sizes.txt" # size in pt of the respective page of the input PDF file
FILE_PAGES_INFO="$TMP_FLD/pages-info.txt" # for each page: page #; width in pt; height in pt
FILES_OCRed_PDFS="${TMP_FLD}/*-ocred.pdf" # string matching all 1 page PDF files that need to be merged
FILE_OUTPUT_PDF_CAT="${TMP_FLD}/ocred.pdf" # concatenated OCRed PDF files
FILE_OUTPUT_PDFA_WO_META="${TMP_FLD}/ocred-pdfa-wo-metadata.pdf" # PDFA file before appending metadata
@ -172,13 +172,13 @@ mkdir -p "${TMP_FLD}"
! identify -format "%w %h\n" "$FILE_INPUT_PDF" > "$FILE_TMP" \
&& echo "Could not get size of PDF pages. Exiting..." >&2 && exit $EXIT_BAD_INPUT_FILE
# removing empty lines (last one should be) and prepend page # before each line
sed '/^$/d' "$FILE_TMP" | awk '{printf "%04d %s\n", NR, $0}' > "$FILE_SIZE_PAGES"
numpages=`tail -n 1 "$FILE_SIZE_PAGES" | cut -f1 -d" "`
sed '/^$/d' "$FILE_TMP" | awk '{printf "%04d %s\n", NR, $0}' > "$FILE_PAGES_INFO"
numpages=`tail -n 1 "$FILE_PAGES_INFO" | cut -f1 -d" "`
# Itterate the pages of the input pdf file
while read pageSize ; do
while read pageInfo ; do
page=`echo $pageSize | cut -f1 -d" "`
page=`echo $pageInfo | cut -f1 -d" "`
[ $VERBOSITY -ge $LOG_INFO ] && echo "Processing page $page / $numpages"
# create the name of the required file
@ -189,8 +189,8 @@ while read pageSize ; do
curOCRedPDFDebug="$TMP_FLD/${page}-debug-ocred.pdf" # PDF file containing data required to find out if OCR worked correctly
# get width / height of PDF page (in pt)
widthPDF=`echo $pageSize | cut -f2 -d" "`
heightPDF=`echo $pageSize | cut -f3 -d" "`
widthPDF=`echo $pageInfo | cut -f2 -d" "`
heightPDF=`echo $pageInfo | cut -f3 -d" "`
[ $VERBOSITY -ge $LOG_DEBUG ] && echo "Page $page: size ${heightPDF}x${widthPDF} (h*w in pt)"
# extract raw image from pdf file to compute resolution
# unfortunatelly this image can have another orientation than in the pdf...
@ -296,7 +296,7 @@ while read pageSize ; do
rm "$curImgPixmapClean"
fi
done < "$FILE_SIZE_PAGES"
done < "$FILE_PAGES_INFO"