From: n8dandy <n8dandy@protonmail.com>
To: Harald van Dijk <harald@gigawatt.nl>
Cc: "dash@vger.kernel.org" <dash@vger.kernel.org>
Subject: Re: dash & IFS
Date: Wed, 25 Mar 2020 07:08:24 +0000 [thread overview]
Message-ID: <9au65XzbFl5yRpX3pvtNOgED-D-908ns7VDH_Oa_yHmFQ25z-_CXc3vhR1nwR0KZd5fQRYPhst_8FtNXFniVHjizHiXYP9XpVUEYhhpyD40=@protonmail.com> (raw)
In-Reply-To: <0a54e6bd-07e7-80f0-a503-149473a19835@gigawatt.nl>
On Monday, 23 March 2020 09:44, Harald van Dijk <harald@gigawatt.nl> wrote:
> On 23/03/2020 08:20, n8dandy wrote:
> This isn't about IFS, this is just because dash does not support the use
> of $'\n' to indicate a newline. In dash, $'\n' is equivalent to '$\n'
> (in the same way that x'y' is equivalent to 'xy' in all shells). To
> portably get a string consisting of a single newline, either put a
> literal newline in your source:
>
> nl='
> '
>
> or use command substitutions:
>
> nl=$(printf '\n.'); nl=${nl%.}
>
> Currently, $'...' is not part of POSIX (although it has been accepted
> for the next version), and dash tends not to add new features that are
> not part of the standard.
Thanks for your help. Even if $'...' is not POSIX, I thought dash already
supports it. I'll stick with IFS= instead.
Sincerely
prev parent reply other threads:[~2020-03-25 7:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-23 8:20 dash & IFS n8dandy
2020-03-23 8:44 ` Harald van Dijk
2020-03-25 7:08 ` n8dandy [this message]
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