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I was going to mount a defense of fish about how it doesn't provide the same mechanisms or provide the same incentives that had people contorting Ruby into the

I was going to mount a defense of fish about how it doesn't provide the same mechanisms or provide the same incentives that had people contorting Ruby into the most convoluted forms on their way to spit out HTML or JSON from an HTTP request, but then I found that the thing has a `fish_command_not_found` that you can overload as in Ruby. https://fishshell.com/docs/current/cmds/fish_command_not_found.html https://fishshell.com/docs/current/cmds/fish_command_not_fou... So yeah you could make crazy stuff like Rail's routing and rendering DSLs that interpreted method names as programs.

faho 5y ago
Bash and zsh have basically the same thing. It's meant to give you a nice error message like "foo is missing. You can install it with 'apt install foo123'" See: - https://zsh.sourceforge.io/Doc/Release/Command-Execution.html#Command-Execution https://zsh.sourceforge.io/Doc/Release/Command-Execution.htm... for zsh - https://www.gnu.org/software/bash/manual/bash.html#Command-Search-and-Execution https://www.gnu.org/software/bash/manual/bash.html#Command-S... for bash You could make it run arbitrary things, but then you're quite clearly misusing it and e.g. there's no way to make it return a different status, fish will still view the command as failed.