Variability in build times.

linux fan linuxscratch at
Mon Oct 18 15:38:48 PDT 2010

start=$(date +%s)
... stuff happens ...
end=$(date +%s)
elaps=$(( end - start ))

Just thinking about eliminating the finger counting that time may do.
My experience with time is that some time floats between user and sys
on different runs that have an equal real time.

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