I've noticed that sometimes, when there are multiple completion options, I get something like an input field, beneath the command line, where I can type and filter the completions. I'm not sure how I triggered it. Is there a key combination that I can press so that I have it available on demand?
To enter search mode directly, you can press shift-tab. You can also press tab until the highlight is in the pager, and then just start typing: that triggers searching too.
Update March 2020: This changed in fish 3.0 here. There's now two ways to reveal the completion search:
ctrl s
to toggle the search field while the pager is activeshift tab
instead of tab
to trigger completions with the search field shown immediatelyThese correspond to pager-toggle-search
and complete-and-search
key bindings.
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