:orphan:
# PetscViewerASCIISetTab
Causes `PetscViewer` to tab in a number of times before printing 
## Synopsis
```
#include "petscviewer.h" 
PetscErrorCode PetscViewerASCIISetTab(PetscViewer viewer, PetscInt tabs)
```
Not Collective, but only first processor in set has any effect; No Fortran Support


## Input Parameters

- ***viewer -*** obtained with `PetscViewerASCIIOpen()`
- ***tabs -*** number of tabs





## Note
`PetscViewerASCIIPushTab()` and `PetscViewerASCIIPopTab()` are the preferred usage


## See Also
 [](sec_viewers), `PETSCVIEWERASCII`, `PetscPrintf()`, `PetscSynchronizedPrintf()`, `PetscViewerASCIIPrintf()`,
`PetscViewerASCIIGetTab()`,
`PetscViewerASCIIPopTab()`, `PetscViewerASCIISynchronizedPrintf()`, `PetscViewerASCIIOpen()`,
`PetscViewerCreate()`, `PetscViewerDestroy()`, `PetscViewerSetType()`, `PetscViewerASCIIGetPointer()`,
`PetscViewerASCIIPushTab()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/impls/ascii/filev.c.html#PetscViewerASCIISetTab">src/sys/classes/viewer/impls/ascii/filev.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/impls/ascii/filev.c)


[Index of all Viewer routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)