# PetscViewerBinaryWriteStringArray
writes to a binary file, only from the first MPI rank, an array of strings 
## Synopsis
```
#include "petscviewer.h"   
PetscErrorCode PetscViewerBinaryWriteStringArray(PetscViewer viewer, const char *const *data)
```
Collective


## Input Parameters

- ***viewer -*** the binary viewer
- ***data -*** location of the array of strings





## Note
The array of strings must be null terminated


## See Also
 [](sec_viewers), `PETSCVIEWERBINARY`, `PetscViewerASCIIOpen()`, `PetscViewerPushFormat()`, `PetscViewerDestroy()`,
`VecView()`, `MatView()`, `VecLoad()`, `MatLoad()`, `PetscViewerBinaryGetDescriptor()`,
`PetscViewerBinaryGetInfoPointer()`, `PetscFileMode`, `PetscViewer`, `PetscViewerBinaryRead()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/impls/binary/binv.c.html#PetscViewerBinaryWriteStringArray">src/sys/classes/viewer/impls/binary/binv.c</A>


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


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