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@alumni.princeton.edu> 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@gmail.com>
> 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
>>
>