Re: dash & IFS

[n8dandy <n8dandy@xxxxxxxxxxxxxx>]

On Monday, 23 March 2020 09:44, Harald van Dijk <harald@xxxxxxxxxxx> 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