Extract most significant words from a pdf using tf-idf

To extract tfidf results from a single pdf file:

python -m scripts.extract_tfidf --pdf data\pdf_files\{filename.pdf} --stopwords data/stop_words_english.txt --output data/out_files/{filename.txt} from root

To combine tfidf results of all output*.txt files in the data\out_files directory

python -m scripts.extract_top_20 --inputdir data\out_files --output data\out_files\{filename.json} from root