I think fish's syntax is cleaner, though as others have pointed out, the incompatibility is often not worth it. Even though it's "sane", I would say it's not "

I think fish's syntax is cleaner, though as others have pointed out, the incompatibility is often not worth it. Even though it's "sane", I would say it's not "powerful". It's significantly less powerful than bash, e.g. there is a list of missing things here: https://github.com/pirate/fish-utils/blob/master/README.md https://github.com/pirate/fish-utils/blob/master/README.md The first one seems like one of the bigger issues: https://github.com/fish-shell/fish-shell/issues/159 https://github.com/fish-shell/fish-shell/issues/159 I have a particular viewpoint since I'm writing a shell for scripting, and I wrote this FAQ. http://www.oilshell.org/blog/2021/01/why-a-new-shell.html#whats-the-difference-between-oil-and-fish http://www.oilshell.org/blog/2021/01/why-a-new-shell.html#wh... But I didn't come up with that list of issues, and I've only used fish a tiny bit.