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This project is interesting, but I looked at tests folder and there is not many tests despite software is so complex. Also I wonder, isn't it better to write tests in languages like Python?

Also, I don't see what's the use of Cosmopolitan Libc. In what situation does one need a CLI-only binary that can run on any system?

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Author here. Right now it's being tested by running precompiled binaries. See https://github.com/jart/blink/tree/master/third_party/cosmo Most of these test binaries are sourced from the cosmopolitan repository, and many of those come from other projects like nsync, mbedtls, etc. I've recently started working on a unit testing method that's written in plain assembly, to hopefully catch more of the things that would show up in opcodes that compilers don't generate. See https://github.com/jart/blink/tree/master/test/asm

Having a copy of Perl, for example (https://computoid.com/APPerl/), on a USB stick means one could run scripts using the same version of Perl across multiple platforms, no need to wrestle with outdated instances.

Also, it's an awesome hack! C'mon, man, this is Hacker News!

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