Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > gnu.bash.bug > #14521
| Path | csiph.com!goblin2!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail |
|---|---|
| From | L A Walsh <bash@tlinx.org> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Add sleep builtin |
| Date | Tue, 21 Aug 2018 18:11:14 -0700 |
| Lines | 29 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.5389.1534900413.1292.bug-bash@gnu.org> (permalink) |
| References | <CAJnmqwZ1GUZRtGRHt8xy_-tdTjVsAQKt-toGAEn5e9gjFrR0vQ@mail.gmail.com> <83513822-23BF-4695-9542-F967512A8A3D@gmail.com> |
| NNTP-Posting-Host | lists.gnu.org |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=UTF-8; format=flowed |
| Content-Transfer-Encoding | 7bit |
| X-Trace | usenet.stanford.edu 1534900413 6550 208.118.235.17 (22 Aug 2018 01:13:33 GMT) |
| X-Complaints-To | action@cs.stanford.edu |
| Cc | konsolebox <konsolebox@gmail.com>, bug-bash <bug-bash@gnu.org> |
| To | Clint Hepner <clint.hepner@gmail.com> |
| Envelope-to | bug-bash@gnu.org |
| User-Agent | Thunderbird |
| In-Reply-To | <83513822-23BF-4695-9542-F967512A8A3D@gmail.com> |
| X-detected-operating-system | by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] |
| X-Received-From | 173.164.175.65 |
| X-BeenThere | bug-bash@gnu.org |
| X-Mailman-Version | 2.1.21 |
| Precedence | list |
| List-Id | Bug reports for the GNU Bourne Again SHell <bug-bash.gnu.org> |
| List-Unsubscribe | <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe> |
| List-Archive | <http://lists.gnu.org/archive/html/bug-bash/> |
| List-Post | <mailto:bug-bash@gnu.org> |
| List-Help | <mailto:bug-bash-request@gnu.org?subject=help> |
| List-Subscribe | <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe> |
| Xref | csiph.com gnu.bash.bug:14521 |
Show key headers only | View raw
Clint Hepner wrote: >> On Aug 19, 2018, at 10:25 AM, konsolebox <konsolebox@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. If not, you probably want to find an alternative to polling anyway. > If he implements sleep with the floating point option then the above might not be true: sleep .001 (ms sleep)...not practical if loaded each time) I often use sleep .1/.3/.5 ... if the builtin doesn't support sleep times < 1 second, then it's probably not worth it. Also, needs to actually sleep for the listed time. I remember some implementations only wait till the clock reaches the new time in seconds -- meaning that the actual sleep time could be .001 seconds.
Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread
Re: Add sleep builtin L A Walsh <bash@tlinx.org> - 2018-08-21 18:11 -0700
csiph-web