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From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: "Mark J. Reed" <markjreed@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: Counting characters in command output?
Date: Tue, 13 Feb 2024 21:41:28 +0100	[thread overview]
Message-ID: <CAN=4vMrWzYgyGYghHsp1jEcnN=X+bUM8LDXviL4V+mHtnHpq8A@mail.gmail.com> (raw)
In-Reply-To: <CAA=-s3zUSg4KYSGTNVSi80u_=9C9kg8nk2CYx2Zewiu70rgSZQ@mail.gmail.com>

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On Tue, 13 Feb 2024 at 21:39, Mark J. Reed <markjreed@gmail.com> wrote:

> I thought this would give me the length of the string, but it seems to be
> counting words instead:
>
>      zsh% echo ${#$(echo hello)}
>      1
>
> Is this a bug? I thought I'd need a modifier flag to treat output as an
> array and give me  a word count, while character count would be the default.
>

Process substitution gives you an array. Quote it if you need a scalar.

Roman.

>

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  reply	other threads:[~2024-02-13 20:46 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-13 20:38 Mark J. Reed
2024-02-13 20:41 ` Roman Perepelitsa [this message]
2024-02-14  0:45   ` Mark J. Reed
2024-02-14  6:49     ` Roman Perepelitsa
2024-02-14 13:56       ` Mark J. Reed
2024-02-14 15:36       ` Ray Andrews
2024-02-14 15:58         ` Mark J. Reed
2024-02-14 16:30           ` Ray Andrews
2024-02-15 14:34             ` Lawrence Velázquez
2024-02-15  9:50         ` Roman Perepelitsa
2024-02-15 14:30           ` Lawrence Velázquez
2024-02-15 15:29             ` Ray Andrews
2024-02-15 16:16               ` Roman Perepelitsa
2024-02-15 16:55                 ` Ray Andrews
2024-02-15 14:53           ` Ray Andrews
2024-02-16  1:53       ` Bart Schaefer
2024-02-16  4:53         ` Lawrence Velázquez
2024-02-16 18:03           ` Bart Schaefer
2024-02-16 18:38             ` Mark J. Reed
2024-02-16 19:36               ` Bart Schaefer
2024-02-16 19:37             ` Lawrence Velázquez
2024-02-16 21:06               ` Mikael Magnusson

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