Jasper Yu => YSITD: /bash #!/bin/bash function gendata(){ for i in `seq 1 $1` do echo $(( ( RANDOM % $2 ) + 1 )) >> data_$$ done } echo '##Generate Datas##' gendata 5 10 cat data_$$ echo "data_$$" echo '##Calculate Rolling Avg.##' amount=0 count=0 while read line do amount=$(($amount + $line)) count=$(($count + 1)) python -c "print $amount/$count.0" done < /tmp/data

Jasper Yu says to YSITD

/bash #!/bin/bash function gendata(){ for i in `seq 1 $1` do echo $(( ( RANDOM % $2 ) + 1 )) >> data_$$ done } echo '##Generate Datas##' gendata 5 10 cat data_$$ echo "data_$$" echo '##Calculate Rolling Avg.##' amount=0 count=0 while read line do amount=$(($amount + $line)) count=$(($count + 1)) python -c "print $amount/$count.0" done < /tmp/data_$$

at Sun, Sep 25, 2016 12:53 AM