440 add split file example

[hiker]

Ready for review. I have used this script to divide a driver back into the original files, and found it very convenient, esp. the fact that it creates a Makefile with dependencies etc.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (5c3808d) 91.96% compared to head (5df7c68) 91.96%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #442   +/-   ##
=======================================
  Coverage   91.96%   91.96%           
=======================================
  Files          85       85           
  Lines       13644    13644           
=======================================
  Hits        12548    12548           
  Misses       1096     1096           

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.96%. Comparing base (a9ea1e9) to head (5df7c68).

❗ Current head 5df7c68 differs from pull request most recent head 55f166d. Consider uploading reports for the commit 55f166d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #442      +/-   ##
==========================================
- Coverage   91.99%   91.96%   -0.03%     
==========================================
  Files          85       85              
  Lines       13678    13644      -34     
==========================================
- Hits        12583    12548      -35     
- Misses       1095     1096       +1     

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[arporter]

Thanks for this addition Joerg, it's nice. I'm happy with everything although it made me realise that we still need to do #279 (add a CI workflow to run the examples). We could also do with adding a section on the examples to the documentation. However, neither of those things are part of this PR.