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#### 33.4.8 Some Miscellaneous Commands

`re-read-init-file (C-x C-r)` ¶

  Read in the contents of the inputrc file, and incorporate any bindings or variable assignments found there.

`abort (C-g)` ¶

  Abort the current editing command and ring the terminal’s bell (subject to the setting of `bell-style`).

`do-lowercase-version (M-A, M-B, M-x, …)` ¶

  If the metafied character x is upper case, run the command that is bound to the corresponding metafied lower case character. The behavior is undefined if x is already lower case.

`prefix-meta (ESC)` ¶

  Metafy the next character typed. This is for keyboards without a meta key. Typing ‘`ESC f`’ is equivalent to typing `M-f`.

`undo (C-_ or C-x C-u)` ¶

  Incremental undo, separately remembered for each line.

`revert-line (M-r)` ¶

  Undo all changes made to this line. This is like executing the `undo` command enough times to get back to the beginning.

`tilde-expand (M-~)` ¶

  Perform tilde expansion on the current word.

`set-mark (C-@)` ¶

  Set the mark to the point. If a numeric argument is supplied, the mark is set to that position.

`exchange-point-and-mark (C-x C-x)` ¶

  Swap the point with the mark. The current cursor position is set to the saved position, and the old cursor position is saved as the mark.

`character-search (C-])` ¶

  A character is read and point is moved to the next occurrence of that character. A negative count searches for previous occurrences.

`character-search-backward (M-C-])` ¶

  A character is read and point is moved to the previous occurrence of that character. A negative count searches for subsequent occurrences.

`skip-csi-sequence ()` ¶

  Read enough characters to consume a multi-key sequence such as those defined for keys like Home and End. Such sequences begin with a Control Sequence Indicator (CSI), usually ESC-[. If this sequence is bound to "\e[", keys producing such sequences will have no effect unless explicitly bound to a readline command, instead of inserting stray characters into the editing buffer. This is unbound by default, but usually bound to ESC-[.

`insert-comment (M-#)` ¶

  Without a numeric argument, the value of the `comment-begin` variable is inserted at the beginning of the current line. If a numeric argument is supplied, this command acts as a toggle: if the characters at the beginning of the line do not match the value of `comment-begin`, the value is inserted, otherwise the characters in `comment-begin` are deleted from the beginning of the line. In either case, the line is accepted as if a newline had been typed.

`dump-functions ()` ¶

  Print all of the functions and their key bindings to the Readline output stream. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an inputrc file. This command is unbound by default.

`dump-variables ()` ¶

  Print all of the settable variables and their values to the Readline output stream. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an inputrc file. This command is unbound by default.

`dump-macros ()` ¶

  Print all of the Readline key sequences bound to macros and the strings they output. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an inputrc file. This command is unbound by default.

`emacs-editing-mode (C-e)` ¶

  When in `vi` command mode, this causes a switch to `emacs` editing mode.

`vi-editing-mode (M-C-j)` ¶

  When in `emacs` editing mode, this causes a switch to `vi` editing mode.

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