set bRes to retFilteredSysctrlValue("hw.busfrequency_max") of me
–> " 100000000"

return {aRes, bRes}
–> {"Intel(R) Core(TM) i7-3720QM CPU @ 2.60GHz", " 100000000"}

on retFilteredSysctrlValue(aTargLabel)
　　set aRes to do shell script "sysctl -a | grep " & aTargLabel
　　set aLen to length of aTargLabel
　　set bRes to text (aLen + 2) thru -1 of aRes
　　return bRes
end retFilteredSysctrlValue