great

very nice way to auto get the number of process and setup the warning / critical threshold!
my output:
bash check_load.sh
OK- Load Average: 0.00, 0.00, 0.00 | load1=0.00;3.2;3.6;; load5=0.00;3.2;3.6;; load15=0.00;3.2;3.6;;

great work

cheers