From: vibhavp@gmail.com
To: emacs-devel@gnu.org
Subject: Re: Add function eshell/clear to clear current eshell buffer
Date: Sun, 19 Apr 2015 09:56:45 +0530 [thread overview]
Message-ID: <87383wspyy.fsf@gmail.com> (raw)
In-Reply-To: <87pp71m3y3.fsf@lifelogs.com> (Ted Zlatanov's message of "Sat, 18 Apr 2015 19:06:44 -0400")
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Ted Zlatanov <tzz@lifelogs.com> writes:
> That looks great. Could you also make it available through
> `C-u M-x eshell/clear'?
Attached Patch.
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diff --git a/etc/NEWS b/etc/NEWS
index 5e312ed..5bb84e1 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -610,6 +610,7 @@ command line's password prompt.
** Eshell
*** The new built-in command `clear' can scroll window contents out of sight.
+If provided with an optional non-nil argument, the scrollback contents will be cleared.
** Browse-url
diff --git a/lisp/eshell/esh-mode.el b/lisp/eshell/esh-mode.el
index 15120cb..54e52b9 100644
--- a/lisp/eshell/esh-mode.el
+++ b/lisp/eshell/esh-mode.el
@@ -871,12 +871,20 @@ When run interactively, widen the buffer first."
(goto-char (point-max))
(recenter -1))
-(defun eshell/clear ()
- "Scroll contents of eshell window out of sight, leaving a blank window."
+(defun eshell/clear (&optional scrollback)
+ "Scroll contents of eshell window out of sight, leaving a blank window.
+If SCROLLBACK is non-nil, clear the scollback contents."
(interactive)
- (let ((number-newlines (count-lines (window-start) (point))))
- (insert (make-string number-newlines ?\n)))
- (eshell-send-input))
+ (if scrollback
+ (eshell/clear-scrollback)
+ (let ((number-newlines (count-lines (window-start) (point))))
+ (insert (make-string number-newlines ?\n))
+ (eshell-send-input))))
+
+(defun eshell/clear-scrollback ()
+ "Clear the scrollback content of the eshell window."
+ (let ((inhibit-read-only t))
+ (erase-buffer)))
(defun eshell-get-old-input (&optional use-current-region)
"Return the command input on the current line."
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--
Vibhav Pant
vibhavp@gmail.com
next prev parent reply other threads:[~2015-04-19 4:26 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-08 5:22 [PATCH] Add function eshell/clear to clear current eshell buffer vibhavp
2015-03-08 5:23 ` Vibhav Pant
2015-03-08 7:08 ` Bozhidar Batsov
2015-03-08 7:19 ` vibhavp
2015-03-08 7:25 ` Bozhidar Batsov
2015-03-08 15:45 ` Eli Zaretskii
2015-03-08 19:28 ` vibhavp
2015-03-08 20:11 ` Eli Zaretskii
2015-03-09 6:16 ` vibhavp
2015-03-09 10:11 ` Gregor Zattler
2015-03-09 12:33 ` vibhavp
2015-03-09 12:39 ` vibhavp
2015-03-09 15:59 ` Eli Zaretskii
2015-03-09 16:09 ` vibhavp
2015-03-09 16:43 ` Eli Zaretskii
2015-03-10 3:27 ` Vibhav Pant
2015-03-10 7:59 ` Bozhidar Batsov
2015-03-10 8:20 ` Ricardo Wurmus
2015-04-18 11:12 ` Ted Zlatanov
2015-04-18 12:39 ` Eli Zaretskii
2015-04-18 13:31 ` Ted Zlatanov
2015-04-18 13:43 ` Eli Zaretskii
2015-04-18 14:17 ` Ted Zlatanov
2015-04-18 15:18 ` vibhavp
2015-04-18 15:23 ` Eli Zaretskii
2015-04-18 19:10 ` chad
2015-04-18 19:23 ` Eli Zaretskii
2015-04-18 20:13 ` vibhavp
2015-04-18 23:06 ` Ted Zlatanov
2015-04-19 4:26 ` vibhavp [this message]
2015-04-19 14:40 ` Eli Zaretskii
2015-04-19 18:06 ` vibhavp
2015-04-19 18:24 ` Eli Zaretskii
2015-04-19 18:49 ` vibhavp
2015-04-19 18:53 ` Eli Zaretskii
2015-04-20 12:50 ` Ted Zlatanov
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