批处理如何修改指定文本文件内的指定行中的指定数值

terse

这样行不 （运行前请先备份文件）

1. @if(0)==(0) ECHO OFF
   
2. CScript.exe //NoLogo //E:JScript "%~f0" "1.txt"
   
3. PAUSE&GOTO :EOF
   
4. @end
   
5. var fso = new ActiveXObject('Scripting.Filesystemobject');
   
6. var text = fso.OpenTextFile(WScript.Arguments(0),1);
   
7. var arr = text.ReadAll().split(/\n/);
   
8. text = fso.OpenTextFile(WScript.Arguments(0),2,true)
   
9. WScript.StdOut.Write("行号：");
   
10. var len = WScript.StdIn.ReadLine();
    
11. WScript.StdOut.Write("旧字符串：");
    
12. var oldstr = WScript.StdIn.ReadLine();
    
13. WScript.StdOut.Write("新字符串：");
    
14. var newstr = WScript.StdIn.ReadLine();
    
15. arr[len-1] = arr[len-1].replace(new RegExp("\\b"+oldstr+"\\b",'gi'),newstr);
    
16. text.Write(arr.join('\n'));
    
17. text.Close()

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