Re: changing comint-input-ring-file-name in process in shell

[Kevin Rodgers <kevin.d.rodgers@gmail.com>]

Seb wrote:
> On Sat, 07 Nov 2009 00:10:28 -0700,
> Kevin Rodgers <kevin.d.rodgers@gmail.com> wrote:
> 
> [...]
> 
>> How about:
> 
>> (let ((comint-input-ring-file-name "/path/to/local/.bash_history"))
>> (shell))
> 
> Thanks for the explanation Kevin.  There is no difference with your
> suggestion, however.  In the resulting shell buffer I see:
> 
> ,-----[ C-h v comint-input-ring-file-name RET ]
> | comint-input-ring-file-name's value is "~/.bash_history"
> | Local in buffer *shell*; global value is 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'.
> | 
> | This variable is buffer-local, and is a good thing to set in mode hooks.
> | 
> | You can customize this variable.
> | 
> | [back]
> `-----
> 
> and cycling shows that: i.e. "M-n" and "M-p" cycle through
> ~/bash_history, rather than the value in the `let' statement.  This is
> strange.  This is on Emacs 23.

How do you set comint-input-ring-file-name to "~/.bash_history"?

i.e. at the top-level or within shell-mode-hook?

If the latter, the hook will override the let binding.

-- 
Kevin Rodgers
Denver, Colorado, USA