From: Mikael Magnusson <mikachu@gmail.com>
To: Roman Perepelitsa <roman.perepelitsa@gmail.com>,
Bart Schaefer <schaefer@brasslantern.com>,
Zsh Users <zsh-users@zsh.org>
Subject: Re: Slurping a file (was: more spllitting travails)
Date: Sun, 11 Feb 2024 01:59:18 +0100 [thread overview]
Message-ID: <CAHYJk3R4OPEKxTNFWM9SYzNYLVA0kP9vJ2xDEe4d10swwkYVsQ@mail.gmail.com> (raw)
In-Reply-To: <20240210204803.2ogpi5h752uzwf6e@chazelas.org>
On 2/10/24, Stephane Chazelas <stephane@chazelas.org> wrote:
> 2024-01-14 11:34:00 +0100, Roman Perepelitsa:
> [...]
>> function slurp() {
>> emulate -L zsh -o no_multibyte
>> zmodload zsh/system || return
>> local -a content
>> local -i i
>> while true; do
>> sysread 'content[++i]' && continue
>> (( $? == 5 )) || return
>> break
>> done
>> typeset -g REPLY=${(j::)content}
>> }
> [...]
>
> IMO, it would be more useful if the result was returned in the
> variable whose name was given as argument (defaulting to REPLY
> if none was given like for read or sysread).
>
> And would be better if upon error the returned variable
> contained either what was successfully read or nothing (like
> read but unlikely sysread).
>
> Maybe something like:
>
> zslurp() {
> emulate -L zsh -o no_multibyte
> typeset -n _zslurp_var=${1-REPLY}
> _zslurp_var=
> zmodload zsh/system || return
> local -a _zslurp_content
> local -i _zslurp_i _zslurp_ret
> while true; do
> sysread '_zslurp_content[++_zslurp_i]' && continue
> _zslurp_ret=$?
> break
> done
> _zslurp_var=${(j::)_zslurp_content}
> (( _zslurp_ret == 5 ))
> }
I believe one of the motivating factors for this function was speed,
and copying all the data an extra time probably doesn't help with
that.
--
Mikael Magnusson
next prev parent reply other threads:[~2024-02-11 0:59 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-12 19:05 more splitting travails Ray Andrews
2024-01-12 19:19 ` Bart Schaefer
2024-01-12 19:56 ` Ray Andrews
2024-01-12 20:07 ` Mark J. Reed
[not found] ` <CAA=-s3zc5a+PA7draaA=FmXtwU9K8RrHbb70HbQN8MhmuXTYrQ@mail.gmail.com>
2024-01-12 20:03 ` Fwd: " Bart Schaefer
2024-01-12 20:32 ` Ray Andrews
2024-01-12 20:50 ` Roman Perepelitsa
2024-01-13 2:12 ` Ray Andrews
2024-01-12 20:51 ` Bart Schaefer
2024-01-12 21:57 ` Mark J. Reed
2024-01-12 22:09 ` Bart Schaefer
2024-01-13 3:06 ` Ray Andrews
2024-01-13 3:36 ` Ray Andrews
2024-01-13 4:07 ` Bart Schaefer
2024-01-13 5:39 ` Roman Perepelitsa
2024-01-13 20:02 ` Slurping a file (was: more spllitting travails) Bart Schaefer
2024-01-13 20:07 ` Slurping a file Ray Andrews
2024-01-14 5:03 ` zcurses mouse delay (not Re: Slurping a file) Bart Schaefer
2024-01-14 5:35 ` Ray Andrews
2024-01-14 10:34 ` Slurping a file (was: more spllitting travails) Roman Perepelitsa
2024-01-14 10:57 ` Roman Perepelitsa
2024-01-14 15:36 ` Slurping a file Ray Andrews
2024-01-14 15:41 ` Roman Perepelitsa
2024-01-14 20:13 ` Lawrence Velázquez
2024-01-15 0:03 ` Ray Andrews
2024-01-15 0:55 ` Empty element elision and associative arrays (was Re: Slurping a file) Bart Schaefer
2024-01-15 4:09 ` Ray Andrews
2024-01-15 7:01 ` Lawrence Velázquez
2024-01-15 14:47 ` Ray Andrews
2024-01-18 16:20 ` Mark J. Reed
2024-01-18 17:22 ` Ray Andrews
2024-01-18 17:36 ` Mark J. Reed
2024-01-18 17:55 ` Ray Andrews
2024-01-18 22:34 ` Bart Schaefer
2024-01-18 23:08 ` Ray Andrews
2024-01-19 2:46 ` Bart Schaefer
2024-01-19 2:58 ` Ray Andrews
2024-01-19 10:27 ` Stephane Chazelas
2024-01-19 13:45 ` Mikael Magnusson
2024-01-19 14:37 ` Mark J. Reed
2024-01-19 14:57 ` Ray Andrews
2024-01-19 15:46 ` Mark J. Reed
2024-01-19 16:01 ` Mikael Magnusson
2024-01-19 17:15 ` Ray Andrews
2024-01-19 17:42 ` Bart Schaefer
2024-01-19 18:45 ` Ray Andrews
2024-01-14 22:09 ` Slurping a file (was: more spllitting travails) Bart Schaefer
2024-01-15 8:53 ` Roman Perepelitsa
2024-01-16 19:57 ` Bart Schaefer
2024-01-16 20:07 ` Slurping a file Ray Andrews
2024-01-16 20:14 ` Roman Perepelitsa
2024-01-16 20:38 ` Ray Andrews
2024-01-16 20:43 ` Roman Perepelitsa
2024-01-16 22:27 ` Ray Andrews
2024-01-15 2:00 ` Slurping a file (was: more spllitting travails) Bart Schaefer
2024-01-15 4:24 ` Slurping a file Ray Andrews
2024-01-15 6:56 ` Lawrence Velázquez
2024-01-15 14:37 ` Ray Andrews
2024-01-15 15:10 ` Marc Chantreux
2024-01-15 15:29 ` Mark J. Reed
2024-01-15 16:16 ` Marc Chantreux
2024-01-15 16:33 ` MUAs (was: Re: Slurping a file) zeurkous
2024-01-16 7:23 ` Slurping a file Lawrence Velázquez
2024-01-16 14:37 ` Ray Andrews
2024-01-17 3:50 ` Lawrence Velázquez
2024-01-17 5:10 ` Ray Andrews
2024-01-15 7:26 ` Slurping a file (was: more spllitting travails) Lawrence Velázquez
2024-01-15 14:48 ` Slurping a file Ray Andrews
2024-01-15 13:13 ` Slurping a file (was: more spllitting travails) Marc Chantreux
2024-02-10 20:48 ` Stephane Chazelas
2024-02-11 0:59 ` Mikael Magnusson [this message]
2024-02-11 4:49 ` Bart Schaefer
2024-02-11 5:04 ` Mikael Magnusson
2024-02-11 4:46 ` Bart Schaefer
2024-02-11 5:06 ` Mikael Magnusson
2024-02-11 7:09 ` Stephane Chazelas
2024-01-13 2:19 ` Fwd: more splitting travails Ray Andrews
2024-01-13 3:59 ` Bart Schaefer
2024-01-13 4:54 ` Ray Andrews
2024-01-13 5:51 ` Roman Perepelitsa
2024-01-13 16:40 ` Ray Andrews
2024-01-13 18:22 ` Bart Schaefer
2024-01-13 19:08 ` Ray Andrews
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