作者:朱金灿
来源:clever101的专栏
问题描述
最近在编译glut库,发现很多makefile文件需要批量替代字符串,于是就用python写了一个工具程序实现批量替代字符串。
问题解决
这个功能主要涉及两个函数:遍历指定目录下的指定后缀的文件和对单个文件进行字符串替换。代码实现如下:
#!/usr/bin/python
# -*- coding=utf-8 -*-
# author : clever101@163.com
# date: 2022-05-30
# version: 0.1
#propose:遍历文件夹中在多个文本文件中替换字符串
#参考文献:
#Python实践:一键批量替换不同文本字符串
#https://blog.csdn.net/qq_17256689/article/details/123485731
import sys
import os
# repalce str_a with str_b
def file_process(file_path, a, b):
print(file_path)
lens = len(a)
f = open(file_path, 'r+', encoding='utf-8')
all_the_lines = f.readlines()
f.seek(0) # 移动文件指针,到最开始处
f.truncate() # 从当前位置起,往后所有数据进行截断删除
for line in all_the_lines:
for i in range(lens):
line = line.replace(a[i], b[i])
f.write(line) # 向文件中按行写入替换后的文本
f.close()
return
# mode 0/1
# 0表示老到新,1表示新到老,其他则报错提示
# suffix表示指定后缀
def typedef_switch(dirc, old_type, new_type, mode,suffix):
if mode != 0 and mode != 1:
print('Mode set error, mode={}'.format(mode))
return
a = []
b = []
if mode == 0:
a = old_type
b = new_type
else:
b = old_type
a = new_type
filelist = os.listdir(dirc)
for file in filelist:
file_path = os.path.join(dirc, file)
if os.path.isfile(file_path):
if os.path.splitext(file_path)[1] == suffix:
file_process(file_path, a, b)
elif os.path.isdir(file_path):
typedef_switch(file_path, old_type, new_type, mode, suffix)
if __name__ == '__main__':
# an example
old_type = ['!include <win32.mak>']
#old_type = ['123456789']
#输入\\要进行特别处理
new_type = ['!include <C:\\\\Program Files (x86)\\\\Microsoft SDKs\\\\Windows\\\\v7.1A\\\\Include\\\\Win32.mak>']
#new_type = ['aaa']
pathFolder = r'D:\MyProject\publish\glut-3.7'
#pathFolder = r'D:\MyProject\publish\test'
typedef_switch(pathFolder, old_type, new_type, 0,'.win')
print('done!')
# 正式退出main函数进程,以免main函数空跑
sys.exit()
参考文献
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