Re: String to array

[Leonid Isaev (ifax)]

On Thu, Sep 30, 2021 at 04:49:03PM +0300, Tapani Tarvainen wrote:
> On Thu, Sep 30, 2021 at 01:04:08PM +0000, Leonid Isaev (ifax) 
> (leonid.isaev@ifax.com) wrote:
> 
> > Something like [1]? Still a for-loop though:
> > -----8<-----
> > array=()
> > while IFS= read -r -d '' -n 1 c; do
> >     array+=( "$c" )
> > done < <(printf "%s" "$string")
> > ----->8-----
> > 
> > [1] https://stackoverflow.com/a/40833433
> 
> Yeah, that works, but as you say it's still a loop, and neither
> simpler nor faster than the substring-based ones I posted.

Evidently, it is faster (not sure why though)...

> I may have been unclear: the solutions I posted do work, this is not a
> practical problem, I'm just curious to if there's a (reasonably)
> simple way to do it without a loop.

Converting str -> array of chars may be not practical, but looping through a
string to perform, e.g. hex encoding without external programs like xxd(1), is.

Sincerely,

-- 
Leonid Isaev