To make our library for efficient pangenomics more palatable, I made a little Unix shell. It “cheats” when it sees commands that invoke other pangenomic CLI tools and runs built-in functionality instead. The shell is built around an instruction-based IR that can fluidly intermix shell-like I/O (files and pipes) with…
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In a previous post, I used a simple interpreter bug to demonstrate the research skill of manually reducing test cases. This time, I show off the excellent Shrinkray reducer to see how it can automate the same process. The tricky part when using automated test-case reducers is writing an interestingness test that…