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31 lines
1.1 KiB
Bash
31 lines
1.1 KiB
Bash
#!/bin/bash
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# @see https://faceted.wordpress.com/2010/07/11/how-to-extract-text-from-pdf-files-using-poppler-and-gocr-on-ubuntu/
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# @param $1 Working directory
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# @param $2 language
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# sudo pacman -Syyu tesseract-data-deu tesseract-data-en tesseract
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if [ -z "$2" ]
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then
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echo "You need to define an working directory" && exit 1;
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fi
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TMP_FOLDER="$(mktemp -d)/" &&
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ORIGIN_FOLDER="$1/origin/" &&
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OUTPUT_FOLDER="$1/generated/" &&
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echo "Cleaning up $OUTPUT_FOLDER..." &&
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rm -v "$OUTPUT_FOLDER"* || exit 1;
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for origin_file in "$ORIGIN_FOLDER"*.*; do
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if [ "$(head -c 4 "$origin_file")" = "%PDF" ]; then
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tmp_file="$TMP_FOLDER$(basename "$origin_file")"
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echo "Generating $tmp_file..."
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pdfimages "$origin_file" "$tmp_file"
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else
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cp -v "$origin_file" "$TMP_FOLDER"
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fi
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done
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for tesseract_input_file in "$TMP_FOLDER"*.*; do
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txt_output_file_without_suffix="$OUTPUT_FOLDER$(basename "$tesseract_input_file")";
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echo "Generating $txt_output_file_without_suffix.txt..."
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tesseract -l "$2" "$tesseract_input_file" "$txt_output_file_without_suffix";
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echo "file content:"
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cat "$txt_output_file_without_suffix.txt"
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done
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