Hello, thanks for your message. Since I am happy with the solution of
using _gnu_generic for grep completion my interest is mostly for the
mechanics of the problem.
Basically I wonder if it is up to the completer to choose whether to do
interactive menu completion, any thoughts on this?

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 ven 22 mag 2020 alle ore 20:36 Jun. T <
takimoto-j@kba.biglobe.ne.jp> ha scritto:

>
> > 2020/05/23 1:12, Pier Paolo Grassi <pierpaolog@gmail.com> wrote:
> >
> > echo $ZSH_VERSION
> > 5.1.1
>
> I think the problem is in _grep in that old version of zsh.
>
> You can either
> (1) upgrade zsh (probably zsh-5.4 or later works), or
>
> (2) download the latest zsh tarball, extract Completion/Unix/Command/_grep
> and use it, or
>
> (3) copy /usr/share/zsh/5.1.1/functions/_grep and modify the following line
> (around line 13)
>     '(-e --regexp -f --file)1: :_guard "^--*" pattern'
> to
>     '(-e --regexp -f --file)1: :_guard "^-*" pattern'
> and use it.
>