请教正则匹配，日志截取

Auroracxy

只用正则表达式匹配

原日志的一行
<133>May  5 08:58:09 aa96e5a6e8db run-log: /usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http

匹配出后半部分
/usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http

只有"run-log: "是固定不变的

moperyblue

1. grep -oP '(?<=run-log: ).*'
   
2. sed 's/run-log: /&\n/;T;D'

复制代码

jason680

回复 1# Auroracxy

$ echo "<133>May  5 08:58:09 aa96e5a6e8db run-log: /usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http" | grep -oP "(?<=run-log: ).*"
/usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http

   

sunzhiguolu

1. perl -ple '$_=substr($_,$+[0]) if(/run-log: /)' f

复制代码

/usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http

mswsg

1. #!/usr/bin/env python
   
2. 
   
3. print(''.join([line.strip().split('run-log:')[1] for line in open('1.txt', 'r')]))

复制代码

lll1985911

awk -F'run-log: ' '{$1="";print $0}' FILE

jcdiy0601

sed -r 's/(^.*run-log(.*)/\2/' file
/usr/lib64/python2.7/site-packages/pymongo-3.2.2-py2.7-linux-x86_64.egg/pymongo/topology.py:75: UserWarning: MongoClient opened before fork. Create MongoClient with connect=False, or create client after forking. See PyMongo's documentation for details: http

q1208c

懒到连编译错误都不想自己看了？