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FISH_KEY_READER(1) fish-shell FISH_KEY_READER(1)

NAME

fish_key_reader - explore what characters keyboard keys send

SYNOPSIS

fish_key_reader [OPTIONS]

DESCRIPTION

fish_key_reader is used to explain how you would bind a certain key sequence. By default, it prints the bind command for one key sequence read interactively over standard input.

The following options are available:

Begins a session where multiple key sequences can be inspected. By default the program exits after capturing a single key sequence.
Displays help about using this command.
Explain what sequence was received in addition to the decoded key.
Displays the current fish version and then exits.

USAGE NOTES

fish_key_reader intentionally disables handling of many signals. To terminate fish_key_reader in --continuous mode do:

  • press ctrl-c twice, or
  • press ctrl-d twice, or
  • type exit, or
  • type quit

EXAMPLE

> fish_key_reader
Press a key:
# press up-arrow
bind up 'do something'


COPYRIGHT

fish-shell developers

September 12, 2025 4.0