On 3 Feb 2005, at 10:17, Julian Elischer wrote: > On Thu, 3 Feb 2005, Doug Rabson wrote: > >> On Wednesday 02 February 2005 17:44, Julian Elischer wrote: >>> very clever! >>> >>> however it doesn't phaselock to teh time and still drifts. >>> I need to trigger on (for example) 10 second boundaries across 50 >>> synchronised machines.. >>> (so thatthe machines agree about the sampling period.) >> >> How about a cron job which writes characters into a fifo every ten >> secconds. The script can wait for the next ten second mark by reading >> a >> single char from the other end of the fifo. > > how does a cron job run evey 10 seconds? > also this woudl seem something that is a bit beyond > a simple shell script in terms of trouble you would go to. A very good point - I forgot that cron only goes down to minute resolution :-) >Received on Thu Feb 03 2005 - 10:18:20 UTC
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