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Optimized draft

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Kevin Veen-Birkenbach 2020-12-10 21:28:43 +01:00
parent 781f01ed7b
commit 1266e2f24a
1 changed files with 18 additions and 10 deletions
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28
generate.sh
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@ -1,18 +1,26 @@
#!/bin/bash
# @see https://faceted.wordpress.com/2010/07/11/how-to-extract-text-from-pdf-files-using-poppler-and-gocr-on-ubuntu/
# sudo pacman -Syyu tesseract-data-deu tesseract-data-en tesseract
PPM_FOLDER="$PWD/ppm/";
PDF_FOLDER="$PWD/pdf/";
TXT_FOLDER="$PWD/txt/";
for pdf_origin_file in $PDF_FOLDER*.*; do
ppm_output_file="$PPM_FOLDER$(basename $pdf_origin_file)"
echo "Generating $ppm_output_file..."
pdfimages $pdf_origin_file $ppm_output_file
if [ -z "$1" ]
then
echo "You need to define an working directory" && exit 1;
fi
TMP_FOLDER="$(mktemp -d)/"
ORIGIN_FOLDER="$1/origin/";
OUTPUT_FOLDER="$1/readable/";
for origin_file in "$ORIGIN_FOLDER"*.*; do
if [ "$(head -c 4 "$origin_file")" = "%PDF" ]; then
tmp_file="$TMP_FOLDER$(basename "$origin_file")"
echo "Generating $tmp_file..."
pdfimages "$origin_file" "$tmp_file"
else
cp "$origin_file" "$TMP_FOLDER"
fi
done
for ppm_origin_file in $PPM_FOLDER*.ppm; do
txt_output_file_without_suffix="$TXT_FOLDER$(basename $ppm_origin_file)";
for tesseract_input_file in "$TMP_FOLDER"*.*; do
txt_output_file_without_suffix="$OUTPUT_FOLDER$(basename "$origin_file")";
echo "Generating $txt_output_file_without_suffix.txt..."
tesseract -l deu+eng "$ppm_origin_file" "$txt_output_file_without_suffix";
tesseract -l deu "$tesseract_input_file" "$txt_output_file_without_suffix";
echo "file content:"
cat "$txt_output_file_without_suffix.txt"
done