sed 的主要作用是替换，awk 作用是格式化输出

样本文件

I, [2017-01-03T00:00:07.420412 #89085]  INFO -- : unpack string is BB,03,12,34,56,78,17,EE,
I, [2017-01-03T00:00:07.420461 #89085]  INFO -- : {:content=>["BB,03,12,34,56,78,17,EE,"], :type=>"from_terminal"}
I, [2017-01-03T00:00:07.420519 #89085]  INFO -- : command body: 03,12,34,56,78,17,

命令

grep "is BB" log/gps.log | sed  "s/.*\[\(.*\)T\(.*\) #.*string is\(.*\)/\1 \2 \3/g" | awk  '"2017-01-03" < $1 && "16:48:00" < $2 {print}' 

输出

2017-01-04 16:58:01.310148  BB,01,12,34,56,78,15,EE,