Additionally, for simple uses, using: read -t<floating point> Works for pseudo built-in sleep. Not easy to use in subshells, or with any forks.
On Sun, Aug 19, 2018, 12:12 PM konsolebox <konsole...@gmail.com> wrote: > On Mon, Aug 20, 2018 at 12:26 AM, Clint Hepner <clint.hep...@gmail.com> > wrote: > > > >> On Aug 19, 2018, at 10:25 AM, konsolebox <konsole...@gmail.com> wrote: > >> > >> Hi Chet, > >> > >> The sleep command is often used in loops and using the external sleep > >> is expensive. > > > > Expensive is relative, as the time spent actually sleeping probably > dwarfs the startup time. > > Forking is expensive, and collectively is hugely expensive. The > external sleep is also yet another child process to manage. > > > If not, you probably want to find an alternative to polling anyway. > > Sure, that would be for another solution. Meanwhile I have a patch > which adds about 10 lines of significant runtime code to offer. > > -- > konsolebox > >
