python re正则表达式实例2

python re正则表达式实例2

#!/usr/bin/env python
# -*- coding:  utf-8  -*-
#Filename: file_process_insert.py
#function:
#author: 刘红波
#date:   2012-05-07

import glob
import os
import re

#目标文件 tab_into_insert.txt
#f_tab1 = open('G:\\tmp\\py\\tab_into_190_insert.txt','r')
#f_tab2 = open('G:\\tmp\\py\\tab_into_190_insert_new.txt','w')

f_tab1 = open('G:\\tmp\\py\\tab_all.txt','r')
f_tab2 = open('D:\\tab_all_new.txt','w')

plog = re.compile('_[\d]{8}\.log')
pinsert = re.compile('INSERT[\s]+INTO[\s]')
pdate = re.compile('[\d]{8}')
pmonth = re.compile('[\d]{6}')

for line in f_tab1:
    line = plog.sub('.tcl',line)
    line = pinsert.sub('',line)
    line = pdate.sub('YYYYMMDD',line)
    line = pmonth.sub('YYYYMM',line)

    f_tab2.write(line)
  

f_tab1.close()
f_tab2.close()

摘自 滴水穿石