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It is possible to bind Command Key from mac os x in zsh? I can't find any information about that.

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If you use iTerm2, you can. First, configure hotkeys to send your custom codes:

And then you can bind them by putting the following in your .zshrc:

bindkey '^[begin' beginning-of-line
bindkey '^[end' end-of-line
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See also: stackoverflow.com/questions/6205157/… – m01 Nov 6 '14 at 13:00
    
Because the solution is split between your iTerm settings and your .zshrc, couldn't this cause problems if you use a keystroke in anything other than zsh? (It would be nice if iTerm allowed some settings to only be active in certain contexts—for instance if you're using a specified shell.) – iconoclast May 5 at 17:21
    
Whatever I use, zsh is always started first, so the mapping is there (just checked: I had nano inside sh inside my zsh and the keys works fine). – m01 May 6 at 9:00

Yes, but it's not as straightforward as you might hope.

First of all, the Mac OS doesn't pass a control sequence to applications when command-key combinations are pressed. Applications instead offer functions to the OS which can be executed via Apple Events. The binding of key combos to the specific apple event occurs at the OS level.

The best solution I can think of would be along the following lines:

  1. Write an AppleScript which does whatever you wanted to do; use the do shell script command to execute shell commands – or write a shell script if that's preferable. Either way, this approach will open a new terminal window for each command run, however.

  2. Alternatively, figure out a sequence of keystrokes which will generate the desired behavior (e.g. you should be able to type "top" to start up top in the current shell window).

  3. Use Automator to create a service which either runs the AppleScript (or shell script or whatever), or types the keystrokes. Assign this service to Terminal, and assign it a keyboard shortcut. This guide walks you through that process: http://www.makeuseof.com/tag/how-to-create-your-own-services-menus-mac/

Approach 1 is imperfect because you can't run it in the current window shell session. Approach 2 is imperfect because it will give undesired results when the active shell session is running anything other than zsh.

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