Variable: comint-input-ring-file-name
comint-input-ring-file-name is a customizable variable defined in
comint.el.gz.
Value
nil
Documentation
If non-nil, name of the file to read/write input history.
See also comint-read-input-ring and comint-write-input-ring.
comint-mode makes this a buffer-local variable. You probably want
to set this in a mode hook, rather than customize the default value.
Source Code
;; Defined in /usr/src/emacs/lisp/comint.el.gz
(defcustom comint-input-ring-file-name nil
"If non-nil, name of the file to read/write input history.
See also `comint-read-input-ring' and `comint-write-input-ring'.
`comint-mode' makes this a buffer-local variable. You probably want
to set this in a mode hook, rather than customize the default value."
:type '(choice (const :tag "nil" nil)
file)
:group 'comint)