File: gnupg.info,  Node: Scdaemon LEARN,  Next: Scdaemon READCERT,  Prev: Scdaemon SERIALNO,  Up: Scdaemon Protocol

6.6.2 Read all useful information from the card
-----------------------------------------------

       LEARN [--force]

   Learn all useful information of the currently inserted card.  When
used without the '--force' option, the command might do an INQUIRE like
this:

           INQUIRE KNOWNCARDP 

   The client should just send an 'END' if the processing should go on
or a 'CANCEL' to force the function to terminate with a cancel error
message.  The response of this command is a list of status lines
formatted as this:

          S KEYPAIRINFO HEXSTRING_WITH_KEYGRIP HEXSTRING_WITH_ID

   If there is no certificate yet stored on the card a single "X" is
returned in HEXSTRING_WITH_KEYGRIP.