usage: uefivars [-h] -i INPUT -o OUTPUT [-I INPUTFILE] [-O OUTPUTFILE] [-P PK] [-K KEK] [-b DB]
                [-x DBX]

options:
  -h, --help            show this help message and exit
  -i, --input INPUT     Input type ("aws", "json", "edk2", "efivarfs", "none")
  -o, --output OUTPUT   Output type ("aws", "json", "edk2[,filesize=512]")
  -I, --inputfile INPUTFILE
                        Input file (stdin if not given)
  -O, --outputfile OUTPUTFILE
                        Output file (stdout if not given)
  -P, --PK PK           Insert PK from given file (usually PK.esl)
  -K, --KEK KEK         Insert KEK from given file (usually KEK.esl)
  -b, --db DB           Insert db from given file (usually db.esl)
  -x, --dbx DBX         Insert dbx from given file (usually dbx.esl)