From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#58137: 28.1; M-x setenv RET PATH RET should default to the current $PATH Date: Wed, 28 Sep 2022 09:35:50 -0400 Message-ID: References: <87o7uzg6ul.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2168"; mail-complaints-to="usenet@ciao.gmane.io" To: "Trent W. 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Buck" writes: > 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. AFAICT, M-p already brings in the previous value of the variable, if it was set: (let* ((var (read-envvar-name "Set environment variable: " nil)) (value (getenv var))) (when value (add-to-history 'setenv-history value)) ;; Here finally we specify the args to give call setenv with. (list var (read-from-minibuffer (format "Set %s to value: " var) nil nil nil 'setenv-history value) t)))) > If the variable was initially set outside of Emacs, it won't be in history. Do you have a recipe to reproduce this? What is the value of (getenv "FOO") before you run `M-x setenv'?