shell脚本提取日志中的数字
各位大神,我有一个日志文件,里面的记录如下:
19
at time in 20190605200000
29
at time in 20190605200001
33
at time in 20190605200002
38
at time in 20190605200003
49
at time in 20190605200004
41
at time in 20190605200005
22
at time in 20190605200006
11
at time in 20190605200007
19
at time in 20190605200008
18
at time in 20190605200009
23
at time in 20190605200010
31
at time in 20190605200011
18
at time in 20190605200012
。。。。。。
我想在linux上实现一个脚本,这个脚本的功能如下:提取这个日志中的数字,比如提取出19、29、33、38、49等,以此类推,“at time in ”这一行统统不要!
请问能提供源码吗?谢谢各位大神了!