Example Zle -T transformation function?

Example Zle -T transformation function?

[Sebastian Gniazdowski]

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In the manual, there are zle -T functions mentioned:

              -T     This is used to add, list or remove internal
 transforma‐
                     tions on the processing performed by the line editor.
It
                     is typically used only for debugging or  testing  and
 is
                     therefore of little interest to the general user.

Could someone provide an example of such transformation function?

-- 
Best regards,
Sebastian Gniazdowski

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Re: Example Zle -T transformation function?

[Mikael Magnusson]

On 9/9/23, Sebastian Gniazdowski <sgniazdowski@gmail.com> wrote:
> In the manual, there are zle -T functions mentioned:
>
>               -T     This is used to add, list or remove internal
>  transforma‐
>                      tions on the processing performed by the line editor.
> It
>                      is typically used only for debugging or  testing  and
>  is
>                      therefore of little interest to the general user.
>
> Could someone provide an example of such transformation function?

https://www.zsh.org/mla/workers/2012/msg00013.html

-- 
Mikael Magnusson

Re: Example Zle -T transformation function?

[Sebastian Gniazdowski]

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Thanks. It seems that a transformation function takes per char data and is
allowed to return multiple char strings.


On Sat, 9 Sept 2023 at 18:46, Mikael Magnusson <mikachu@gmail.com> wrote:

> On 9/9/23, Sebastian Gniazdowski <sgniazdowski@gmail.com> wrote:
> > In the manual, there are zle -T functions mentioned:
> >
> >               -T     This is used to add, list or remove internal
> >  transforma‐
> >                      tions on the processing performed by the line
> editor.
> > It
> >                      is typically used only for debugging or  testing
> and
> >  is
> >                      therefore of little interest to the general user.
> >
> > Could someone provide an example of such transformation function?
>
> https://www.zsh.org/mla/workers/2012/msg00013.html
>
> --
> Mikael Magnusson
>


-- 
Best regards,
Sebastian Gniazdowski

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Re: Example Zle -T transformation function?

[Sebastian Gniazdowski]

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I wonder why on clean shell (-f) only one invocation occurs, for the second
entered char?
    https://asciinema.org/a/1nq0mvGGlu62f1BxLWT2FeT2R

What use case can T-func have?


On Sun, 10 Sept 2023 at 09:16, Sebastian Gniazdowski <sgniazdowski@gmail.com>
wrote:

> Thanks. It seems that a transformation function takes per char data and is
> allowed to return multiple char strings.
>
>
> On Sat, 9 Sept 2023 at 18:46, Mikael Magnusson <mikachu@gmail.com> wrote:
>
>> On 9/9/23, Sebastian Gniazdowski <sgniazdowski@gmail.com> wrote:
>> > In the manual, there are zle -T functions mentioned:
>> >
>> >               -T     This is used to add, list or remove internal
>> >  transforma‐
>> >                      tions on the processing performed by the line
>> editor.
>> > It
>> >                      is typically used only for debugging or  testing
>> and
>> >  is
>> >                      therefore of little interest to the general user.
>> >
>> > Could someone provide an example of such transformation function?
>>
>> https://www.zsh.org/mla/workers/2012/msg00013.html
>>
>> --
>> Mikael Magnusson
>>
>
>
> --
> Best regards,
> Sebastian Gniazdowski
>
>

-- 
Best regards,
Sebastian Gniazdowski

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Re: Example Zle -T transformation function?

[Bart Schaefer]

On Sun, Sep 10, 2023 at 12:25 AM Sebastian Gniazdowski
<sgniazdowski@gmail.com> wrote:
>
> I wonder why on clean shell (-f) only one invocation occurs, for the second entered char?

For some reason ZLE thinks it needs to back up and reprint the first
character before printing the second.

> What use case can T-func have?

users/29224 https://www.zsh.org/mla/users/2023/msg00606.html