usage: leaf-focus [-h] [--version] --exe-dir EXE_DIR [--page-images] [--ocr]
                  [--first FIRST] [--last LAST]
                  [--log-level {debug,info,warning,error,critical}]
                  input_pdf output_dir

Extract structured text from a pdf file.

positional arguments:
  input_pdf             path to the pdf file to read
  output_dir            path to the directory to save the extracted text files

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --exe-dir EXE_DIR     path to the directory containing xpdf executable files
  --page-images         save each page of the pdf as a separate image
  --ocr                 run optical character recognition on each page of the
                        pdf
  --first FIRST         the first pdf page to process
  --last LAST           the last pdf page to process
  --log-level {debug,info,warning,error,critical}
                        the log level: debug, info, warning, error, critical