在多个文本文件中查找 IP 地址，并使用正则表达式将其替换为 Python 中的另一个字符串

Question

我有多个文本文件如下：

我想读取所有文本文件并在每个文件中找到 IP 值，并将其替换为文本中可用的 noresult 字符串，并将每个文件保存在 python.

文字1

     Id                = 0005      
     Cause          = ERROR      
     Code     = 307      
     Event Time              = 2020-11-09 10:16:48      
     Severity      = WARNING      
     Severity Code = 5     
     result = noresult
     Id                = 0006      
     Cause          = FAILURE      
     Code     = 517      
     Event Time              = 2020-11-09 10:19:47      
     Severity      = MINOR      
     Severity Code = 4 result = noresult 
     ip[10.1.1.1

文字2

 Id                = 0007      
 Cause          = ERROR      
 Code     = 307      
 Event Time              = 2020-11-09 10:16:48      
 Severity      = WARNING      
 Severity Code = 5      
 Id                = 0008      
 Cause          = FAILURE 
 result = noresult     
 Code     = 517      
 Event Time              = 2020-11-09 10:19:47      
 Severity      = MINOR      
 Severity Code = 4  
 result = noresult
 ip[10.1.1.3

需要的结果：

文字1

 Id                = 0005      
 Cause          = ERROR      
 Code     = 307      
 Event Time              = 2020-11-09 10:16:48      
 Severity      = WARNING      
 Severity Code = 5     
 result = 10.1.1.1
 Id                = 0006      
 Cause          = FAILURE      
 Code     = 517      
 Event Time              = 2020-11-09 10:19:47      
 Severity      = MINOR      
 Severity Code = 4 result = 10.1.1.1
 ip[10.1.1.1

文字2

 Id                = 0007      
 Cause          = ERROR      
 Code     = 307      
 Event Time              = 2020-11-09 10:16:48      
 Severity      = WARNING      
 Severity Code = 5      
 Id                = 0008      
 Cause          = FAILURE 
 result = 10.1.1.3
 Code     = 517      
 Event Time              = 2020-11-09 10:19:47      
 Severity      = MINOR      
 Severity Code = 4  
 result = 10.1.1.3
 ip[10.1.1.3

Answer 1

如果 ip 始终是您的最后一个字段，您可以简单地这样做：

txt = txt.replace("noresult", txt.split("ip[")[-1])

详细的，如果你想读、改、写：

txt = open("filename.txt", "r").read()
txt = txt.replace("noresult", txt.split("ip[")[-1])
open("filename.txt", "w").write(txt)

如果你有更多的文件，你可以将它们的路径分组在一个列表中file_list = ["file1.txt", "file2.txt", ... ]，然后在这个列表上循环重复上述过程：

for filepath in file_list:
    txt = open(filepath, "r").read()
    txt = txt.replace("noresult", txt.split("ip[")[-1])
    open(filepath, "w").write(txt)

在多个文本文件中查找 IP 地址，并使用正则表达式将其替换为 Python 中的另一个字符串

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