Re: [coreutils] slimmer alternative to sleep command?
Ralf Wildenhues <[email protected]> Sat, 24 Jan 2009 18:40:19 +0100
| Newsgroups | gmane.comp.gnu.utils |
|---|---|
| Organization | Department of Numerical Simulation, University of Bonn |
| Message-ID | <[email protected]> |
Hello Chris, * Chris Jones wrote on Sat, Jan 24, 2009 at 06:36:32PM CET: > Given a bash script that runs an infinite loop such as: > > do forever: > get data > print data > sleep 1 > done > > I was wondering if I could avoid the overhead of starting and > terminating the sleep child process by using a different strategy. Try not polling, but just waiting for the producer of the data to be ready. Maybe your script can read a token (or the data itself) from a pipe, and the producer write to the pipe? Cheers, Ralf