How to configure zsh such that Ctrl+Backspace kills the word before point? How to achieve that Ctrl+Delete kills the word after point?
I use urxvt as terminal emulator.
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Firstly, you should define "word". Is it only alphabetic characters? All non-space characters? – Mikel May 7 '11 at 9:19
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word like it is used in emacs terminology – student May 7 '11 at 9:31
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I'll focus on Ctrl+Delete first.
The zsh command to delete a whole word forwards is called kill-word. By default it is bound to Alt+D.
How to make Ctrl+Delete do it too depends on which terminal emulator you are using.
On my system, this works in xterm and Gnome Terminal:
bindkey -M emacs '^[[3;5~' kill-word
and for urxvt, you should do:
bindkey -M emacs '^[[3^' kill-word
If that doesn't work, try typing Ctrl+V Ctrl+Delete to see what the value is on your system.
You could even add both of those together to your .zshrc, or use the output of tput kDC5 instead of hard-coding the sequence.
Ctrl+Backspace seems harder.
On my system, pressing that is the same as pressing just Backspace.
If yours is the same, I think your best option is to use Alt+Backspace or Ctrl+W instead.
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1Thanks, I have added bindkey
'^[[3^' kill-word bindkeyand'^H' backward-kill-wordto my .zshrc. Now it works! – student May 7 '11 at 10:45 -
@user5289: Ah, sorry, we misunderstood each other. I don't think
^Hor^?will work forCtrl+Backspace. In fact it seems such a binding is not possible.Alt+BackspaceorCtrl+Wmight be adequate replacements. – Mikel May 8 '11 at 3:43
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I've got this in my .Xresources:
URxvt.keysym.C-BackSpace: \033[33~
and that in my .zshrc:
bindkey -M main -M viins -M vicmd '^[[33~' backward-kill-word
This kills each whitespace seperated word. Note that '^[' is the Escape character. You have to xrdb -load .Xresources, open a terminal and then hit ^V followed by ^BackSpace.
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On urxvt, for the deleting backwards part, I simply have in my .zshrc the following:
bindkey '^H' backward-kill-word
and it allows me to delete the previous word with ctrl+backspace
