以上脚本运行正常，执行时启动：12万/$maxlines= 60个子进程。 　　处理完所有数据耗时在 10分钟左右，效率提高几十倍。 -Run the scr ipt above normal, the implementation of start: 120,000/$ maxlines = 60 sub-process. Time-consuming to deal with all the data in about 10 minutes, several times mor