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# PetscViewerFileSetName

Sets the name of the file the `PetscViewer` should use.

## Synopsis

    #include "petscviewer.h"
    PetscErrorCode PetscViewerFileSetName(PetscViewer viewer, const char name[])

Collective

## Input Parameters

- viewer - the `PetscViewer`; for example, of type `PETSCVIEWERASCII` or `PETSCVIEWERBINARY`

- name - the name of the file it should use

## Note

This will have no effect on viewers that are not related to files

## See Also

Viewers: Looking at PETSc Objects, `PetscViewerCreate()`, `PetscViewerSetType()`, `PetscViewerASCIIOpen()`, `PetscViewerBinaryOpen()`, `PetscViewerDestroy()`, `PetscViewerASCIIGetPointer()`, `PetscViewerASCIIPrintf()`, `PetscViewerASCIISynchronizedPrintf()`

## Level

advanced

## Location

src/sys/classes/viewer/impls/ascii/filev.c

## Examples

src/dm/tutorials/ex20.c
src/snes/tutorials/ex12.c
src/ksp/ksp/tutorials/ex43.c
src/ts/tutorials/ex11.c
src/dm/impls/plex/tutorials/ex1f90.F90
src/dm/tutorials/ex15.c
src/ksp/ksp/tutorials/ex70.c
src/mat/tutorials/ex10.c
src/sys/classes/viewer/tutorials/ex1.c
src/dm/tutorials/ex21.c

## Implementations

PetscViewerFileSetName_ExodusII() in src/dm/impls/plex/exodusii/plexexodusii2.c
PetscViewerFileSetName_ADIOS() in src/sys/classes/viewer/impls/adios/adios.c
PetscViewerFileSetName_ASCII() in src/sys/classes/viewer/impls/ascii/filev.c
PetscViewerFileSetName_Binary() in src/sys/classes/viewer/impls/binary/binv.c
PetscViewerFileSetName_CGNS() in src/sys/classes/viewer/impls/cgns/cgnsv.c
PetscViewerFileSetName_GLVis() in src/sys/classes/viewer/impls/glvis/glvis.c
PetscViewerFileSetName_HDF5() in src/sys/classes/viewer/impls/hdf5/impl/ihdf5v.c
PetscViewerFileSetName_Matlab() in src/sys/classes/viewer/impls/matlab/vmatlab.c
PetscViewerFileSetName_VTK() in src/sys/classes/viewer/impls/vtk/vtkv.c
PetscViewerFileSetName_VU() in src/sys/classes/viewer/impls/vu/petscvu.c

Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages