使用awk截取某时间段内的日志的单行命令
想从如下的日志内容中，取出文件里面时间是9点到12点的数据：
2012-09-05 01:48:47,150 WARN [WorkManager(3)-72] [service.PhoneRangeManager] phone range domain object not found id 1834930
2012-09-05 02:48:47,293 WARN [WorkManager(3)-28] [service.PhoneRangeManager] phone range domain object not found id 1834930
2012-09-05 03:50:14,085 WARN [WorkManager(3)-61] [service.PhoneRangeManager] phone range domain object not found id 1881137
2012-09-05 04:50:14,223 WARN [WorkManager(3)-67] [service.PhoneRangeManager] phone range domain object not found id 1881137
2012-09-05 05:50:14,361 WARN [WorkManager(3)-14] [service.PhoneRangeManager] phone range domain object not found id 1881137
2012-09-05 06:51:29,011 WARN [WorkManager(3)-70] [service.UserAccountLockService] Thread :325 continue to wait for lock of user :13620003572 , signal = TransactionImple < ac,
2012-09-05 07:51:29,011 WARN [WorkManager(3)-70] [service.UserAccountLockService] Thread :325 continue to wait for lock of user :13620003572 , signal = TransactionImple < ac,
2012-09-05 08:51:29,011 WARN [WorkManager(3)-70] [service.UserAccountLockService] Thread :325 continue to wait for lock of user :13620003572 , signal = TransactionImple < ac,
2012-09-05 10:51:29,011 WARN [WorkManager(3)-70] [service.UserAccountLockService] Thread :325 continue to wait for lock of user :13620003572 , signal = TransactionImple < ac,
BasicAction: -3f57fefa:8d29:50463160:ddaee80 status: ActionStatus.RUNNING >, lock :com.wxxr.common.service.UserAccountLockService$Lock@10b3d72
2012-09-05 11:52:02,732 WARN [WorkManager(3)-46] [service.PhoneRangeManager] phone range domain object not found id 1881137
2012-09-05 12:52:02,873 WARN [WorkManager(3)-19] [service.PhoneRangeManager] phone range domain object not found id 1881137
2012-09-05 09:52:03,010 WARN [WorkManager(3)-95] [service.PhoneRangeManager] phone range domain object not found id 1881137
在实践操作中，请务必注意，一条日志可能占两行。
单行命令：awk -F'[ -:]' '$4 >= 9 && $4 <= 12{print;nextline=NR+1}$1$2$3 !~ /d+/ && NR == nextline' data 您可能感兴趣的文章：
awk抽出指定时间段内的日志
使用awk截取某时间段内的日志的单行命令
查看linux日志的方法
使用日志保护Linux的安全
DB2实验教程：数据库恢复
AWK 简介与例子
mysql删除binlog日志及使用日志恢复数据的方法
logrotate结合cron管理linux日志
找出1小时内占用cpu最多的10个进程的shell脚本
shell统计日志中时间段内匹配的数量的方法