2: /*
  3:      Obtains a refresh token that you can use in the future to access Google Drive from PETSc code

  5:      Guard the refresh token like a password.

  7:      You can run PETSc programs with -google_refresh_token XXXX where XXX is the refresh token to access your Google Drive

  9: */

 11: #include <petscsys.h>

 13: int main(int argc,char **argv)
 14: {
 16:   char           access_token[512],refresh_token[512];

 18:   PetscInitialize(&argc,&argv,NULL,NULL);if (ierr) return ierr;
 19:   PetscGoogleDriveAuthorize(PETSC_COMM_WORLD,access_token,refresh_token,sizeof(access_token));
 20:   PetscPrintf(PETSC_COMM_WORLD,"Your Refresh token is %s\n",refresh_token);
 21:   PetscFinalize();
 22:   return ierr;
 23: }