Rename academic papers to author-year-title.pdf.

extract-bib.py

import argparse
import bibtexparser

if __name__ == '__main__' :

    parser = argparse.ArgumentParser(description='Extract bib file to author, year, and title.')
    parser.add_argument('input', help='Input file (.bib)')
    args = parser.parse_args()

    filename = args.input

    with open(filename) as bibtex_file:
        bibtex_str = bibtex_file.read()
  
    bib_database = bibtexparser.loads(bibtex_str)

    authors = bib_database.entries[0]["author"]
    year = bib_database.entries[0]["year"]
    title = bib_database.entries[0]["title"]

    authors_list = authors.split(" and ")
    author = authors_list[0]

    print(author, "-", year, "-", title)

rename-paper.sh

#!/bin/bash

# Rename academic paper PDF to author-year-title.pdf

# Example:
#   INPUT:  example.pdf
#   OUTPUT: Tanyuan - 2016 - Human-Computer Interaction.pdf

# Dependencies:
#   cb2bib
#   python
#     bibtexparser

usage(){
	echo "Usage: $0 PDF"
	exit 1
}
[[ $# -eq 0 ]] && usage

OLD_PDF=$1
TMP=/tmp/rename-paper.bib

rm -f $TMP

# Get bib information and save to $TMP
cb2bib --doc2bib $OLD_PDF $TMP --sloppy

# Extract from bib
NEW_NAME=`python extract-bib.py $TMP`

echo "author - year - title"
echo "+++++++++++++++++++++"
echo $NEW_NAME

# Rename original PDF
mv $OLD_PDF "$NEW_NAME".pdf