:orphan:
# TSTrajectorySetKeepFiles
Keep the files generated by the `TSTrajectory` once the program is done 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSTrajectorySetKeepFiles(TSTrajectory tj, PetscBool flg)
```
Collective


## Input Parameters

- ***tj -*** the `TSTrajectory` context
- ***flg -*** `PETSC_TRUE` to save, `PETSC_FALSE` to disable



## Options Database Key

- ***-ts_trajectory_keep_files -*** have it keep the files





## Note
By default the `TSTrajectory` used for adjoint computations, `TSTRAJECTORYBASIC`, removes the files it generates at the end of the run. This causes the files to be kept.


## See Also
 [](ch_ts), `TSTrajectoryCreate()`, `TSTrajectoryDestroy()`, `TSTrajectorySetUp()`, `TSTrajectorySetMonitor()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/trajectory/interface/traj.c.html#TSTrajectorySetKeepFiles">src/ts/trajectory/interface/traj.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ts/trajectory/interface/traj.c)


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