Re: cynchronised sleep capbilty..

+-------[ Julian Elischer ]----------------------
| 


| This doesn't matter too much except that I now need to do
| the same on 50 machines and I need the data to line up.

[snip]

| firstly: does anyone know a better way to do this?

look at clusterit..

http://www.garbled.net/clusterit.html

it has as one of it's features;

Barrier sync for shell scripting.
    This is a new idea. The barrier mechanism consists of a daemon run on a
host, and a client which can be used to barrier sync with.

Not sure if it's suitable for what you want.

-- 
Andrew Milton
akm_at_theinternet.com.au