considering that there is a simple libc call getloadavg(), i find opening a pipe, running an external command (that doesn't even have to be there, or not in $PATH, or maybe i wont have shell access, or 10 other reasons why it could fail) and processing it's output simply too expensive for such a simple task.
every other script langauge has a call for this.. perl being the system tool it is, how is this even possible? i am disappointed there is no pure perl solution in the core :/
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