From: Peter Stephenson <email@example.com>
To: Pier Paolo Grassi <firstname.lastname@example.org>,
Zsh-Users List <email@example.com>
Subject: Re: read string containing null
Date: Thu, 21 Oct 2021 14:08:41 +0100 (BST) [thread overview]
Message-ID: <firstname.lastname@example.org> (raw)
> On 21 October 2021 at 13:35 Pier Paolo Grassi <email@example.com> wrote:
> Hello, I just found out:
> echo -e - a$'\000'b | IFS='' builtin read -r -d '' xx; echo -n - $xx
> result is "a"
> is it possible for builtin read not to stop an null bytes? I found nothing
> in documentation.
I think -d '' is telling it to treat NULL bytes as a delimiter. Take that out.
If you're not trying to read a line, don't use read. If you "zmodload zsh/system"
there's a sysread command which is more useful for lower level operations.
next prev parent reply other threads:[~2021-10-21 13:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 12:35 Pier Paolo Grassi
2021-10-21 13:08 ` Peter Stephenson [this message]
2021-10-21 13:30 ` Pier Paolo Grassi
2021-10-22 9:05 ` Stephane Chazelas
2021-10-23 0:04 ` Bart Schaefer
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:
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
* 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
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).