find.sh

#!/usr/bin/python3

import sys
import os

#bibPath = os.path.expanduser("~/Documents/bib")
#os.chdir(bibPath)

for root, dirs, files in os.walk("."):
  for f in files:
    if f.endswith(".pdf"):
      pdf = root+'/'+f
      bib = root+'/'+f[:-3]+'bib'
      bibContent = ''
      try:
        bibContent = open(bib, 'r').read()
      except:
        pass
        #print('Failed to read bibliography entry for "'+pdf+'"')
      if any(arg in bibContent.lower() for arg in sys.argv[1:]):
        print(pdf)