force-md permissionset field-permissions add -f SObject.Field [flags] [filename]...

  -e, --edit           allow edit
  -f, --field string   field name
  -h, --help           help for add
  -r, --read           allow read

      --convert-xml-entities   convert numeric xml entities to character entities (default true)
      --silent                 show errors only
      --verbose                show debugging output