grid-cert-info [-help] [-file certfile] [-all] [-subject] [...]

    Displays certificate information. Unless the optional -file
    argument is given, the default location of the file containing the
    certficate is assumed:

      -- The location pointed to by the .
      -- If X509_USER_CERT not set, /home/mcguigan/.globus/usercert.pem.

    Several options can be given: The output of
        "grid-cert-info -subject -issuer"
    is equivalent to that of
        "grid-cert-info -subject ; grid-cert-info -issuer"

    Options
      -help, -usage                Display usage
      -version                     Display version
      -file certfile     |-f       Use 'certfile' at non-default location

    Options determining what to print from certificate

      -all                        Whole certificate
      -subject           |-s      Subject string of the cert
      -issuer            |-i      Issuer
      -startdate         |-sd     Validity of cert: start date
      -enddate           |-ed     Validity of cert: end date