● python / ● 字符串替换 / ● replace
#!/bin/env python # -*- coding:utf-8 -*- import sys def replace(file_path, old_str, new_str): try: f = open(file_path,'r+') all_lines = f.readlines() f.seek(0) f.truncate() for line in all_lines: line = line.replace(old_str, new_str) f.write(line) f.close() except Exception,e: print e if __name__ == "__main__": if len(sys.argv) < 4: print "need 3 params" sys.exit(1) file_name = sys.argv[1] src_str = sys.argv[2] dst_str = sys.argv[3] replace(file_name, src_str, dst_str)
