Re: history expansion

[Vin Shelton <acs@xxxxxxxxxxxxxxxxxxxx>]

I still do not understand: what do you want to do?  Do you want to create
an alias that modifies the history expansion in some particular way?

  - Vin

On Thu, Feb 20, 2020 at 8:19 AM Pier Paolo Grassi <pierpaolog@xxxxxxxxx>
wrote:

> Hi Vin, it does not because:
>
> 20-02-20 14:16:45 root@bakeca-vivobook Path: ~
> : print -z '!!'
> 20-02-20 14:16:47 root@bakeca-vivobook Path: ~
> : !!
> print -z '!!'
>
> !! is resolved to print -z '!!'
> If I had used it like you did, as !! unquoted, it would not be aliasable,
> so I would incur in my original problem
> thanks
>
> Pier Paolo Grassi
> linkedin: https://www.linkedin.com/in/pier-paolo-grassi-19300217
> founder: https://www.meetup.com/it-IT/Machine-Learning-TO
>
>
> Il giorno gio 20 feb 2020 alle ore 14:06 Vin Shelton <
> acs@xxxxxxxxxxxxxxxxxxxx> ha scritto:
>
>> I'm not sure I understand what you mean.  Does
>>
>> print -z !!
>>
>> do what you want?  Perhaps you want to try out other batch substitutions
>> (e.g. "!:1") before you use "print -z", which enables interactive editing.
>>
>> HTH,
>>   Vin
>>
>> On Thu, Feb 20, 2020 at 7:46 AM Pier Paolo Grassi <pierpaolog@xxxxxxxxx>
>> wrote:
>>
>>> hello, history expansion is quite the powerful syntax for re-executing
>>> commands from history with various functionalities for automatic
>>> transformation. Since it happens before alias expansion it is not
>>> possibile
>>> to simplify the access to these functionalities though, and one have to
>>> remember and type every time the right syntax, and in case of error you
>>> have to type everything again.
>>> Is that it or am I missing some way to reuse it?
>>> I have just thought of a custom widget that could add to $BUFFER a
>>> history
>>> command of one's choice, are there other ways?
>>>
>>> Pier Paolo Grassi
>>> linkedin: https://www.linkedin.com/in/pier-paolo-grassi-19300217
>>> founder: https://www.meetup.com/it-IT/Machine-Learning-TO
>>>
>>