Re: REQUEST - bash floating point math support

[Greg Wooledge]

On Wed, Jun 05, 2024 at 09:57:26PM +0700, Robert Elz wrote:
> Also note that to actually put floating support in the shell, more is
> needed than just arithmetic, you also need floating comparisons in test
> (or in bash, in [[ ) and a whole bunch more odds and ends that aren't
> obvious until you need them, and they're just not there (like a mechanism
> to convert floats back into integers again, controlling how rounding happens).

Ironically, that last one is the one we already *do* have.

hobbit:~$ printf '%.0f\n' 11.5 22.5 33.5
12
22
34

As long as you're OK with "banker's rounding", printf does it.