2: static char help[] = "Appends to an ASCII file.\n\n";

  4: /*T
  5:    Concepts: viewers^append
  6: T*/

  8: #include <petscviewer.h>

 12: int main(int argc,char **args)
 13: {
 14:   PetscViewer    viewer;
 15:   PetscInt       i;

 18:   PetscInitialize(&argc,&args,(char*)0,help);
 19:   PetscViewerCreate(PETSC_COMM_WORLD, &viewer);
 20:   PetscViewerSetType(viewer, PETSCVIEWERASCII);
 21:   PetscViewerFileSetMode(viewer, FILE_MODE_APPEND);
 22:   PetscViewerFileSetName(viewer, "test.txt");
 23:   for (i = 0; i < 10; ++i) {
 24:     PetscViewerASCIIPrintf(viewer, "test line %d\n", i);
 25:   }
 26:   PetscFinalize();
 27:   return 0;
 28: }