我是 bash 脚本的新手。有人可以帮我解决以下问题吗？我有一个输出的日志文件，如下所示。
我正在尝试使用 logDurationMillis>=950ms 对输出行进行 grep
logAlias:Overall,logDurationMillis:382,logTimeStart:2019-07-24_15:30:06.075,logTimeStop:2019-07-24_15:30:06.107
logAlias:Overall,logDurationMillis:388,logTimeStart:2019-07-24_15:30:06.406,logTimeStop:2019-07-24_15:30:06.444
logAlias:Overall,logDurationMillis:545,logTimeStart:2019-07-24_15:30:06.583,logTimeStop:2019-07-24_15:30:06.638
logAlias:Overall,logDurationMillis:961,logTimeStart:2019-07-24_15:30:06.599,logTimeStop:2019-07-24_15:30:06.660
logAlias:Overall,logDurationMillis:640,logTimeStart:2019-07-24_15:30:07.197,logTimeStop:2019-07-24_15:30:07.237
logAlias:Overall,logDurationMillis:934,logTimeStart:2019-07-24_15:30:07.474,logTimeStop:2019-07-24_15:30:07.508
logAlias:Overall,logDurationMillis:336,logTimeStart:2019-07-24_15:30:07.546,logTimeStop:2019-07-24_15:30:07.582
这些值始终位于第二个逗号分隔的列中。