Cmdgraph - a state-graph driven command interpreter

· Fortran Lang Discourse · May 17, 2026, 11:46 a.m.
Summary
The blog post discusses the creation of cmdgraph, a state-graph driven command interpreter tailored for building interactive command shells and REPL workflows. The author reflects on their experience building a 2D CAD system in the 1980s and provides insights into the development process, mentioning tools and techniques employed, such as code coverage and language compilers.
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