readline
TLDR
View readline keybindings
$ bind -P
Edit inputrc$ vi ~/.inputrc
Set vi mode$ set -o vi
Set emacs mode$ set -o emacs
SYNOPSIS
GNU Readline library and configuration
DESCRIPTION
Readline is a library providing command-line editing, history, and tab completion. It's used by bash, gdb, python, and many other programs. Configuration is via ~/.inputrc.
EXAMPLES
$ # List current bindings
bind -P | grep search
# Bind key in session
bind '"\e[A": history-search-backward'
# Check editing mode
echo $SHELLOPTS | tr ':' '\n' | grep -E 'vi|emacs'
bind -P | grep search
# Bind key in session
bind '"\e[A": history-search-backward'
# Check editing mode
echo $SHELLOPTS | tr ':' '\n' | grep -E 'vi|emacs'
INPUTRC CONFIGURATION
$ # ~/.inputrc
# Case insensitive completion
set completion-ignore-case on
# Show all completions on first tab
set show-all-if-ambiguous on
# Vi mode
set editing-mode vi
# Key bindings
"\e[A": history-search-backward
"\e[B": history-search-forward
"\C-p": history-search-backward
# Case insensitive completion
set completion-ignore-case on
# Show all completions on first tab
set show-all-if-ambiguous on
# Vi mode
set editing-mode vi
# Key bindings
"\e[A": history-search-backward
"\e[B": history-search-forward
"\C-p": history-search-backward
COMMON KEYBINDINGS (Emacs mode)
$ Ctrl+a - Beginning of line
Ctrl+e - End of line
Ctrl+k - Kill to end of line
Ctrl+u - Kill to beginning
Ctrl+w - Kill word backward
Ctrl+y - Yank (paste)
Ctrl+r - Reverse search history
Ctrl+l - Clear screen
Alt+f - Forward word
Alt+b - Backward word
Ctrl+e - End of line
Ctrl+k - Kill to end of line
Ctrl+u - Kill to beginning
Ctrl+w - Kill word backward
Ctrl+y - Yank (paste)
Ctrl+r - Reverse search history
Ctrl+l - Clear screen
Alt+f - Forward word
Alt+b - Backward word
CAVEATS
Configuration varies by application. Some programs use libedit instead. Reload: source ~/.inputrc or Ctrl+x Ctrl+r.
HISTORY
GNU Readline was written by Brian Fox for the GNU Project, becoming the standard line editing library.
