GNU bug report logs - #57787
29.0.50; [PATCH] When using $VAL[INDEX] in Eshell, allow symbols as the index

Previous Next

Package: emacs;

Reported by: Jim Porter <jporterbugs <at> gmail.com>

Date: Tue, 13 Sep 2022 23:24:02 UTC

Severity: normal

Tags: patch

Found in version 29.0.50

Done: Jim Porter <jporterbugs <at> gmail.com>

Bug is archived. No further changes may be made.

Full log


View this message in rfc822 format

From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jim Porter <jporterbugs <at> gmail.com>
Subject: bug#57787: closed (Re: bug#57787: 29.0.50; [PATCH] When using
 $VAL[INDEX] in Eshell, allow symbols as the index)
Date: Thu, 15 Sep 2022 00:33:02 +0000
[Message part 1 (text/plain, inline)]
Your bug report

#57787: 29.0.50; [PATCH] When using $VAL[INDEX] in Eshell, allow symbols as the index

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 57787 <at> debbugs.gnu.org.

-- 
57787: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57787
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems
[Message part 2 (message/rfc822, inline)]
From: Jim Porter <jporterbugs <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 57787-done <at> debbugs.gnu.org
Subject: Re: bug#57787: 29.0.50; [PATCH] When using $VAL[INDEX] in Eshell,
 allow symbols as the index
Date: Wed, 14 Sep 2022 17:32:32 -0700
On 9/14/2022 7:14 AM, Lars Ingebrigtsen wrote:
> Makes sense to me.

Thanks for taking a look. Merged as 
b8e9239b47391c6628d94a4e2e91320c5366d27b.

[Message part 3 (message/rfc822, inline)]
From: Jim Porter <jporterbugs <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; [PATCH] When using $VAL[INDEX] in Eshell, allow symbols as
 the index
Date: Tue, 13 Sep 2022 16:23:26 -0700
[Message part 4 (text/plain, inline)]
Eshell variable expansions let you use strings as indices, which will 
treat the outer value as an alist. For example:

  (setq foo '(("a" . 1) ("b" . 2)))
  M-x eshell
  ~ $ echo $foo[a]
  1

However, if the keys in the alist are symbols, that doesn't work:

  (setq foo '((a . 1) (b . 2)))
  M-x eshell
  ~ $ echo $foo[a]
  ;; no output

Attached is a patch to fix this. Now, in the latter case, you'd type:

  ~ $ echo $foo[#'a]
  ;; or
  ~ $ echo $foo[`a]

(Note: "#'a" looks like a sharp quote to denote a function, but the # is 
just Eshell's way of escaping the following single-quote. A bare 
single-quote is the start of a string literal in Eshell.)
[0001-Allow-using-a-symbol-as-an-index-into-an-alist-in-Es.patch (text/plain, attachment)]

This bug report was last modified 2 years and 272 days ago.

Previous Next


GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.