I can open a web page by (browse-url "http://www.google.com"), but cannot open new tab by (browse-url "chrome://newtab"). Any workaround? I would like to have an Emacs shortcut to open a new chrome tab (on Mac and on Linux).

(defun browse-url-mac-chrome (url &optional _new-window)
  "Browse URL in Chrome.

Chrome protocol URL such as chrome://newtab is supported,
unlike `browse-url-default-macosx-browser'."
  (interactive (browse-url-interactive-arg "URL: "))
    ;; https://apple.stackexchange.com/a/271709/132365
    `("set myLink to \"" ,url "\""
      "tell application \"Google Chrome\""
      "    activate"
      "    tell front window to make new tab at after (get active tab) with properties {URL:myLink}"
      "end tell")

The AppleScript code is from https://apple.stackexchange.com/a/271709/132365, since I don't know how to use that language.

  • It works for mac, thanks! Is there any similar command works for Linux? – AhLeung Apr 4 '18 at 6:14
  • @AhLeung I don't know. I don't have a Linux computer. – xuchunyang Apr 4 '18 at 6:32

(shell-command "chrome about:blank") will come close to doing what you want in a cross-platform manner; the only problem is that the URL bar won't be focused. Unfortunately, chrome chrome://newtab opens in a new window.

This Ask Ubuntu answer suggests xdotool search --onlyvisible --classname 'google-chrome' windowactivate --sync key --clearmodifiers --window 0 ctrl+t; on my system this does exactly what you'd like. Only works on Linux, though.

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