<($cmd) is called "process substitution." The fish equivalent is ($cmd | psub) I miss incremental history search myself -- that's probably my most used bash f

<($cmd) is called "process substitution." The fish equivalent is ($cmd | psub) I miss incremental history search myself -- that's probably my most used bash feature. Typing a few letters and then hitting C-P or up arrow works, but there's no way to refine the search if you don't get the result you're looking for.