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Date: Sun, 10 May 2020 14:21:36 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-workers@zsh.org
Subject: Re: [PATCH] expand '..n' to equivalent number of '..' segments in
 fixdir
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Eric Cook wrote on Sun, 10 May 2020 03:09 -0400:
> On 5/10/20 3:06 AM, Eric Cook wrote:
> > I personally think a wrapper function is more appropriate. =20
>=20
> One not distributed with zsh itself that is.

Or a shell widget, like Mikael's rationalise-dot widget that lets one
type =C2=ABcd ...=C2=BB to get =C2=ABcd ../..=C2=BB and so on.  This also h=
as the benefit
of not requiring completion functions to be taught about the new syntax.

I don't have his latest version handy, but I use a modified version:

_rationalise-dot2 ()
{
        if [[ $LBUFFER =3D=3D *( ) ]]
        then
                zle .self-insert
		return
        fi
        local -a tokens; tokens=3D(${(z)LBUFFER})=20
        if [[ $tokens[-1] =3D=3D (../|*/../) ]]
        then
                LBUFFER+=3D../=20
        elif [[ $tokens[-1] =3D=3D '.' ]]
        then
                LBUFFER+=3D./=20
        else
                zle .self-insert
        fi
}
zle -N _rationalise-dot2
bindkey . _rationalise-dot2
bindkey -M isearch . self-insert

The zle calls inside the function don't pass argv through, but that
doesn't matter in practice.

Tweak to taste.