zsh-users
 help / color / mirror / code / Atom feed
From: "Mark J. Reed" <markjreed@gmail.com>
To: Zsh Users <zsh-users@zsh.org>
Subject: Re: Counting characters in command output?
Date: Tue, 13 Feb 2024 19:45:58 -0500	[thread overview]
Message-ID: <CAA=-s3z3dwdPY4ahJSOZZC7_vH5VwUJxt-UEo9BW=8qzu0WTSg@mail.gmail.com> (raw)
In-Reply-To: <CAN=4vMrWzYgyGYghHsp1jEcnN=X+bUM8LDXviL4V+mHtnHpq8A@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 761 bytes --]

On Tue, Feb 13, 2024 at 3:41 PM Roman Perepelitsa <
roman.perepelitsa@gmail.com> wrote:

> 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.
>

You mean command substitution, but thanks! It wouldn't have occurred to me
to put quotes around it to change what the `#` was counting!


-- 
Mark J. Reed <markjreed@gmail.com>

[-- Attachment #2: Type: text/html, Size: 1786 bytes --]

  reply	other threads:[~2024-02-14  0:46 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
2024-02-14  0:45   ` Mark J. Reed [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAA=-s3z3dwdPY4ahJSOZZC7_vH5VwUJxt-UEo9BW=8qzu0WTSg@mail.gmail.com' \
    --to=markjreed@gmail.com \
    --cc=zsh-users@zsh.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.vuxu.org/mirror/zsh/

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).