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Re: Add sleep builtin


From: Jaren Stangret
Subject: Re: Add sleep builtin
Date: Sun, 19 Aug 2018 13:51:47 -0500

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 <address@hidden> wrote:

> On Mon, Aug 20, 2018 at 12:26 AM, Clint Hepner <address@hidden>
> wrote:
> >
> >> On Aug 19, 2018, at 10:25 AM, konsolebox <address@hidden> 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
>
>


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