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Re: history expansion - modifiers :h and :t - questions

X-seq: zsh-workers 52245
From: Stephane Chazelas <stephane@xxxxxxxxxxxx>
To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
Cc: linuxtechguy@xxxxxxxxx, devs <zsh-workers@xxxxxxx>
Subject: Re: history expansion - modifiers :h and :t - questions
Date: Thu, 26 Oct 2023 07:33:38 +0100
Archived-at: <https://zsh.org/workers/52245>
In-reply-to: <CAH+w=7abgtoie5hkC5Be1yqxhAsR+qA3eMPFxEjaVNHq9=tnaA@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
Mail-followup-to: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>, linuxtechguy@xxxxxxxxx, devs <zsh-workers@xxxxxxx>
References: <CA+rB6GLfDhjcakJNN4ZTDPndbenyN+3GohP5gcdbw2oX9-x9cg@mail.gmail.com> <CAH+w=7abgtoie5hkC5Be1yqxhAsR+qA3eMPFxEjaVNHq9=tnaA@mail.gmail.com>

2023-10-24 14:56:39 -0700, Bart Schaefer:
> On Tue, Oct 24, 2023 at 12:23 PM Jim <linux.tech.guy@xxxxxxxxx> wrote:
> >
> > print ${DirPath:h$N}
> >                   ^ does not work
> > Error message:  "zsh: unrecognized modifier"
> 
> Yes ... "$" is not a digit.  Parameters are not expanded here.
> 
> You can get around this with ${(e):-\${DirPath:h$N}}
[...]

For existing $DirPath's, see also:

print -r -- $DirPath(N:h$N)

as parameters are expanded in glob qualifiers.

-- 
Stephane

References:
- history expansion - modifiers :h and :t - questions
  - From: Jim
- Re: history expansion - modifiers :h and :t - questions
  - From: Bart Schaefer

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