Using scratch files with spmd

While using spmd on a cluster, I need to write some scratch files within the spmd block. If I use fopen and fwrite commands to write such files, how do i remove the scratch files after execution of my code. I assume all workers write their own files.

[Walter Roberson]

Merged into duplicate that has an answer https://www.mathworks.com/matlabcentral/answers/376370-scratch-files-with-spmd