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Bash Reference Manual

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8.4.6 Letting Readline Type For You

complete (TAB)
Attempt to perform completion on the text before point. The actual completion performed is application-specific. Bash attempts completion treating the text as a variable (if the text begins with `$'), username (if the text begins with `~'), hostname (if the text begins with `@'), or command (including aliases and functions) in turn. If none of these produces a match, filename completion is attempted.

possible-completions (M-?)
List the possible completions of the text before point.

insert-completions (M-*)
Insert all completions of the text before point that would have been generated by possible-completions.

menu-complete ()
Similar to complete, but replaces the word to be completed with a single match from the list of possible completions. Repeated execution of menu-complete steps through the list of possible completions, inserting each match in turn. At the end of the list of completions, the bell is rung (subject to the setting of bell-style) and the original text is restored. An argument of n moves n positions forward in the list of matches; a negative argument may be used to move backward through the list. This command is intended to be bound to TAB, but is unbound by default.

delete-char-or-list ()
Deletes the character under the cursor if not at the beginning or end of the line (like delete-char). If at the end of the line, behaves identically to possible-completions. This command is unbound by default.

complete-filename (M-/)
Attempt filename completion on the text before point.

possible-filename-completions (C-x /)
List the possible completions of the text before point, treating it as a filename.

complete-username (M-~)
Attempt completion on the text before point, treating it as a username.

possible-username-completions (C-x ~)
List the possible completions of the text before point, treating it as a username.

complete-variable (M-$)
Attempt completion on the text before point, treating it as a shell variable.

possible-variable-completions (C-x $)
List the possible completions of the text before point, treating it as a shell variable.

complete-hostname (M-@)
Attempt completion on the text before point, treating it as a hostname.

possible-hostname-completions (C-x @)
List the possible completions of the text before point, treating it as a hostname.

complete-command (M-!)
Attempt completion on the text before point, treating it as a command name. Command completion attempts to match the text against aliases, reserved words, shell functions, shell builtins, and finally executable filenames, in that order.

possible-command-completions (C-x !)
List the possible completions of the text before point, treating it as a command name.

dynamic-complete-history (M-TAB)
Attempt completion on the text before point, comparing the text against lines from the history list for possible completion matches.

complete-into-braces (M-{)
Perform filename completion and insert the list of possible completions enclosed within braces so the list is available to the shell (see section 3.5.1 Brace Expansion).


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