python一个目录下以及子目录下所有文件里,内容每一行如果是空格若干+字符串开始"printf"+其他字符,这一行删除.用python如何写
一个目录下以及子目录下所有文件里,内容每一行如果是空格若干&&字符串开始"printf"&&其他字符,这一行删除.用python如何写
目的就是删除项目代码里的所有调试代码,清理干净.
例如
int a = 5;
printf("%d",a); //打印a的值
#========================================================
# author:ago
# 2012/09/20 10:08:42
#========================================================
import os
DIR = 'dir_name'
for root,dirs,files in os.walk(DIR):
for file in files:
print file
f = open(DIR+'/'+file)
data = f.read()
f.close()
alist = data.split('\n')
string = ''
for i in alist:
print i
if 'printf' not in i:
string += i + '\r\n'
#print string
f = open(DIR+'/'+file , 'w')
f.write(string)
f.close()
#python 3.2
#coding=gb2312
import os
import re
#define your own rule whether to remove the file
def should_remove_file(file_path):
with open(file_path, 'r') as stream:
for line in stream:
if re.search(r'^\s*printf.*$', line, re.I):
return True
return False
def list_files_in_dir(dir, callback):
for dirpath, dirnames, filenames in os.walk(dir):
for file in filenames:
file_path = os.path.join(dirpath, file)
print(file_path)
if callback(file_path):
os.unlink(file_path)
print("remove %s ...".format(file_path))
list_files_in_dir('d:/test_dir', should_remove_file)
