PDF extractor used to generate text statistics of PDF files. Based on Apache PDFBox.

1. Download or build the latest release of pdf-extractor-{version}.jar (the JAR)

2. Move the JAR to folder that is convenient to you

3. Prepare the (relative or absolute) paths for the following

   1. The {keywords_file}, e.g. keywords/keywords.txt
      • Must be plain text of any extension
   2. A {pdf_folder} that contains the PDF files to be extracted, e.g. pdf/
      • Only PDF files with a .pdf extension will be processed
   3. A {output_file} path, e.g. output/output.xlsx
      • File name must end with .xlsx

4. Open Terminal or Command Prompt and navigate to the folder that contains the JAR

5. Run the JAR with the following command:

   java -jar pdf-extractor-{version}.jar --keyword-file-path {keywords_file} --pdf-folder-path {pdf_folder} --output-file-path {output_file} --parallel --case-sensitive

   • Mandatory flags
     • --keyword-file-path: path of {keywords_file}
     • --pdf-folder-path: path of {pdf_folder}
     • --output-file-path: path of {output_file}
   • Optional (but important) flags
     • --parallel: enables parallel processing
       • if this flag is not set, the program uses sequential processing
     • --case-sensitive: enables case-sensitive matching
       • if this flag is not set, the program converts both the keywords and the extracted text to lower case before comparing

java -jar pdf-extractor-2.0.0.jar --keyword-file-path "keywords/keywords.txt" --pdf-folder-path "pdf/" --output-file-path "output/output.xlsx"

1. org.apache.commons.commons-lang3
2. org.apache.pdfbox.pdfbox
3. org.apache.poi.poi
4. org.apache.poi.poi-ooxml
5. org.javatuples.javatuples