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[[wiki-basic-ex1]]

 # example.
 command: set readInterval=300000
 command: set sendInterval=600000
 command: set out-a-8=127
 command: get in-a-1 last
 command: program ex 
 program:   in0=ex("service","get in-a-2")
 program:   in2=stoi(in0)
 program:   ex("service","println in-a-2="+in2)
 program:   if(in2>150) ex("service","set out-a-8=50")
 program:   if(in2<80) ex("service","set out-a-8=100")
 program:   if in2>150 then ex("service","set out-a-8=50")
 program:   if in2<80 then ex("service","set out-a-8=100")
 command: end ex
 command: run ex
 command: set pageName="wiki-basic-ex2"
 result:
 device=a-1, Date=2013/5/21/ 17:38:28,  v=0.
 device=a-1, Date=2013/5/21/ 17:43:20,  v=0.
 device=a-1, Date=2013/5/21/ 17:48:20,  v=0.
 device=a-1, Date=2013/5/21/ 17:53:20,  v=0.
 device=a-1, Date=2013/5/21/ 17:58:20,  v=0.