Problem solving with Unix commands

I am starting to realize that the Unix command-line toolbox can fix absolutely any problem related to text wrangling. For each simulation run, I create some files, typically like so:

Sometimes a run fails. After running algorithm on a lot of data, I end up with a large list of files like

The astute observer will note that the file for algorithm on data and are missing.

Source: vegardstikbakke.com