[Nix-dev] How to escape $'\t' in Nix multi-line string?

[Bjørn Forsman]

On 30 April 2017 at 15:01, Bjørn Forsman <bjorn.forsman at gmail.com> wrote:
> Hi all,
>
> I'm stuck trying to pass $'\t' to bash via Nix multi-line strings:
>
> nix-repl> ''cut -d $'\t' -f 1''
> error: syntax error, unexpected $undefined, expecting IND_STR or
> DOLLAR_CURLY or IND_STRING_CLOSE, at (string):1:10

Oh, it was only missing double single-quotes before the dollar sign.

What tripped me was that the documentation says ${ is special in
strings, not $'.

Best regards,
Bjørn Forsman