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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: andme <15991987063@163.com>
Cc: zsh-users <zsh-users@zsh.org>
Subject: Re: How to use precommand modifiers `-` ?
Date: Thu, 13 May 2021 13:04:04 +0200	[thread overview]
Message-ID: <CAN=4vMpXh-9Ja9tGJ_T8pgoX7Ehxm5FjNcqJW2AXZ2kOgHaX6A@mail.gmail.com> (raw)
In-Reply-To: <63c609c4.4d5f.17965205c4c.Coremail.15991987063@163.com>

On Thu, May 13, 2021 at 12:56 PM andme <15991987063@163.com> wrote:
>
> ```-
>
> The command is executed with a ‘-’ prepended to its argv[0] string.
>
> ```
>
> As a non-native speaker of English, I'm confused about this.
> Can anyone give me some examples?

Here's an example:

    % zsh -fc 'print -r -- $0'
    zsh

    % - zsh -fc 'print -r -- $0'
    -zsh

Here $0 gives us argv[0].

Roman.


  reply	other threads:[~2021-05-13 11:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-13  9:48 andme
2021-05-13 11:04 ` Roman Perepelitsa [this message]
2021-05-13 12:00   ` Vincent Bernat

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