GNU bug report logs - #58137
28.1; M-x setenv RET PATH RET should default to the current $PATH

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Message #15 received at 58137 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: "Trent W. Buck" <trentbuck <at> gmail.com>
Cc: 58137 <at> debbugs.gnu.org
Subject: Re: bug#58137: 28.1; M-x setenv RET PATH RET should default to the
 current $PATH
Date: Wed, 28 Sep 2022 12:42:23 +0000

>
> I wish M-x setenv, when setting a variable that already has a value, 
> defaulted to that value (instead of the empty string).
>
> This would make it easier to make minor adjustments to a long messy 
> value. The history is already there (M-p), but it's input history. If 
> the variable was initially set outside of Emacs, it won't be in history.
>

That's what Emacs calls "future history", which you can get with M-x 
setenv RET PATH RET M-n.  It defaults to the value of (getenv "PATH"). 
Is that what you want?

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