HeyJaredBlog System/5
A newsletter on operating systems, build systems, programming languages, software engineering, and my own software projects. Specifics include FreeBSD, Linux, Rust, Bazel and EndBASIC.
- Indexed issues, last 90 days
- 2
- Latest publication
- Jul 31, 2026
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- Earliest in this view
- Jul 8, 2026
Latest issues
An old-new take on argument parsing in Rust (opens the original)
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Over the years, I’ve written tens of command-line applications in many different languages—shell is probably the top contender, believe it or not—and for various ecosystems. Along the way, I’ve developed… let’s say… opinions on how they should behave. But behavior and implementation are different topics, and today I would like to talk a little about the latter in the Rust ecosystem.The ecosystemA big theme behind those opinions is that consistency usually wins: when designing an appl
Autoconf’s revenge: ad-hoc shell templates (opens the original)
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<img alt="" class="sizing-normal" height="630" src="https://substackcdn.com/image/fetch/$s_!XEOm!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fecd51e84-417a-4163-b880-2e779d7e6897_1200x630.png"
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