PETSc version 3.16.5
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# PetscViewerFileGetMode

Gets the open mode of file

### Synopsis

    #include "petscviewer.h"
    PetscErrorCode PetscViewerFileGetMode(PetscViewer viewer,PetscFileMode *mode)

Not Collective

### Input Parameter

| viewer | - the PetscViewer; must be a PETSCVIEWERBINARY, PETSCVIEWERMATLAB, PETSCVIEWERHDF5, or PETSCVIEWERASCII PetscViewer

### Output Parameter

| mode | - open mode of file

       FILE_MODE_WRITE - create new file for binary output

       FILE_MODE_READ - open existing file for binary input

       FILE_MODE_APPEND - open existing file for binary output

### See Also

PetscViewerFileSetMode(), PetscViewerCreate(), PetscViewerSetType(), PetscViewerBinaryOpen()

### Level

advanced

### Location

src/sys/classes/viewer/impls/binary/binv.c

### Implementations

PetscViewerFileGetMode_ExodusII in src/dm/impls/plex/plexexodusii.c
PetscViewerFileGetMode_ASCII in src/sys/classes/viewer/impls/ascii/filev.c
PetscViewerFileGetMode_Binary in src/sys/classes/viewer/impls/binary/binv.c
PetscViewerFileGetMode_HDF5 in src/sys/classes/viewer/impls/hdf5/hdf5v.c
PetscViewerFileGetMode_VTK in src/sys/classes/viewer/impls/vtk/vtkv.c
PetscViewerFileGetMode_VU in src/sys/classes/viewer/impls/vu/petscvu.c
Index of all Viewer routines
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Index of all manual pages