Re: Make `Ctrl + W` and `Ctrl + Shift + H` in zsh behave the same as in bash

[Rik <gitaarik@posteo.net>]

Hey Daniel,

Thanks for your explanation!

Yes just using WORDCHARS will work, but that will also change the 
behavior of Ctrl + Alt + H. I want that to keep deleting *partial* words.

Greets,
Rik

On 21-03-2020 15:06, Daniel Shahaf wrote:
> Rik wrote on Sat, 21 Mar 2020 14:29 -0500:
>> I've recently started using zsh and I like it. However, coming from
>> bash, some little things I miss.
>>
> Welcome!
>
>> *The problem:*
>>
>> In bash behavior is like this:
>>
>>    * Ctrl + W deletes the word behind the cursor up to the next space
>>    * Ctrl + Shift + H deletes the word behind the cursor up to the next
>>      seperation charcater like ., ,, -, / etc.
>>
>> In zsh both Ctrl + W an Ctrl + Shift + H behave like the latter one in
>> bash. I would like the same behavior as in bash.
>>
>>
>>
>> *This is what I've tried:*
>>
>>      SPACE_WORDCHARS='~!#$%^&*(){}[]<>?.+;-_/\|=@`'
>>      backward-delete-word() WORDCHARS=$SPACE_WORDCHARS zle .$WIDGET
>>      zle -N backward-delete-word
>>      bindkey "^W" backward-delete-word
>>
>> This works, however, it breaks the functionality that deleting a word
>> puts the word on the paste buffer, so I can't then paste this word with
>> Ctrl + Y. This is quite important functionality for me. To be honest I'm
>> not completely sure how this zle function works and what .$WIDGET does.
>> Would anyone know a way how I can make this work while retaining the
>> cut/paste behavior?
> Deleting those four lines and adding just «WORDCHARS='~!#$%^&*(){}[]<>?.+;-_/\|=@`'»
> instead seems to do what you want.
>
> (I also tried calling «zle -f kill» in the wrapper but it didn't have
> the desired effect.)
>
> Regarding $WIDGET, it's a parameter that gets predefined by zle when
> widget functions are invoked.  In the example, its value will be
> "backward-delete-char".  Thus, net effect of «zle .$WIDGET» will be to
> call the builtin "backward-delete-char" widget.  For a simpler example,
> consider:
>
> mywidget() { LBUFFER+="x" }
> zle -N mywidget
> bindkey "y" mywidget
>
> With this, every time you press "y", you'll get an "x" inserted.  (You
> can just paste this example at the prompt to try it.)
>
> Cheers,
>
> Daniel