GNU bug report logs - #62452
30.0.50; [PATCH] Avoid shadowing variables in some Eshell command forms

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jim Porter <jporterbugs <at> gmail.com>
Subject: bug#62452: closed (Re: bug#62452: 30.0.50; [PATCH] Avoid
 shadowing variables in some Eshell command forms)
Date: Sat, 01 Apr 2023 23:32:02 +0000

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Your bug report

#62452: 30.0.50; [PATCH] Avoid shadowing variables in some Eshell command forms

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 62452 <at> debbugs.gnu.org.

-- 
62452: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=62452
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Jim Porter <jporterbugs <at> gmail.com>
To: 62452-done <at> debbugs.gnu.org
Subject: Re: bug#62452: 30.0.50; [PATCH] Avoid shadowing variables in some
 Eshell command forms
Date: Sat, 1 Apr 2023 16:31:01 -0700

On 3/25/2023 9:48 PM, Jim Porter wrote:
> Patch attached.

Pushed as 97e35b14987. Closing this bug now.

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From: Jim Porter <jporterbugs <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; [PATCH] Avoid shadowing variables in some Eshell command
 forms
Date: Sat, 25 Mar 2023 21:48:13 -0700

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To see this in action, start from "emacs -Q -f eshell", then:

  ~ $ setq value "hi there"
  hi there
  ~ $ echo $value
  hi there
  ~ $ echo ${echo $value}
  eshell-temp

The last command should *also* print "hi there", but the variable 
'value' gets shadowed by some internal Eshell code. (A similar problem 
occurs for 'for-items' when using a for loop in Eshell.)

Patch attached.

[0001-Avoid-shadowing-variables-in-some-Eshell-command-for.patch (text/plain, attachment)]

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