WHY

“第十五章节哀顺变”中的“节”给误删掉了，改下

@if (0)==(0) echo off
dir /b *.txt | cscript //nologo //e:jscript "%~f0"
pause & goto :EOF
@end

var str = '零一二三四五六七八九';
var obj = {};
for(var i=0; i<10; i++) obj[str.charAt(i)] = '+' + i;
obj['〇'] = '+0'; obj['两'] = '+2'; obj['廿'] = '+20';
obj['十'] = '*10'; obj['百'] = '*100'; obj['千'] = '*1000';

var fso = new ActiveXObject('Scripting.FileSystemObject');
var arr = WSH.StdIn.ReadAll().split('\r\n'), len = arr.length - 1;

for(var i=0; i<len; i++){
    var objFile = fso.OpenTextFile(arr[i]);
    var txt = objFile.ReadAll() + '\r\n';
    objFile.Close();
    txt = txt.replace(/^[ 	　]*\r\n/gm, '');     //删除空白行
    var m = txt.split('\r\n');
    m[0] = convertToNumber(m[0]);                     //转换第一行数字
    var objFile = fso.OpenTextFile(arr[i], 2);
    objFile.Write(m.join('\r\n'));        //重新写入文本
    objFile.Close();
    if(!fso.FileExists(m[0] + '.txt'))fso.GetFile(arr[i]).Name = m[0] + '.txt' //重命名
}

function convertToNumber(s){
    return s.replace(
        /^[\s　]*第([零〇一二三四五六七八九两廿十百千]+)章(?:节|[\s　]*([^\s　]*))[\s　]*$/,
        function(s0, s1, s2){
            s1 = s1.replace(/./g, function(s0){return obj[s0]}); //转换数字
            s1 = s1.replace(/^[*+]/, '');                        //删除字符串开头的*或+
            s1 = (10000 + eval(s1) + '').substr(1);              //补零
            return '第' + s1 + '章' + (s2 ? ' ' + s2 : '')
        }
    )
}
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WHY

Dim str, fso, file, f, txt, m

str = "零一二三四五六七八九十百千"
Set fso = CreateObject("Scripting.FileSystemObject")

For Each file In fso.GetFolder(".").Files
    If LCase(Right(file, 4)) = ".txt" Then
        Set f = fso.OpenTextFile(file, 1)
        txt = f.ReadAll + vbCrLf
        f.Close
        txt = DelBlankLine(txt)         '删除空白行 
        m = Split(txt, vbCrLf)
        m(0) = ConvertToNumber(m(0))    '转换第一行数字
        Set f = fso.OpenTextFile(file, 2)
        f.Write Join(m, vbCrLf)         '重新写入文本
        f.Close : Set f = Nothing
        Rem 重命名
        If Not fso.FileExists(m(0) + ".txt") Then fso.GetFile(file).Name = m(0) + ".txt"
    End If
Next

Set fso = Nothing
MsgBox "OK"

function DelBlankLine(s)
    Dim reg
    Set reg = New RegExp
    reg.Pattern = "^[ 	　]*\r\n"
    reg.Global = True
    reg.MultiLine = True
    DelBlankLine = reg.Replace(s, "")
End function

Function ConvertToNumber(s)
    Dim re, s1, s2, i, chr, ss
    Set re = New RegExp
    re.Pattern = "^[\s　]*第([" & str & "〇两廿]+)章(?:节|[\s　]*([^\s　]*))[\s　]*$"
    If Not re.Test(s) Then ConvertToNumber = s : Exit Function

    s1 = re.Execute(s)(0).SubMatches(0)
    s2 = re.Execute(s)(0).SubMatches(1)

    s1 = Replace(s1, "〇", "零") : s1 = Replace(s1, "两", "二") : s1 = Replace(s1, "廿", "二十")
    If Left(s1, 1) = "十" Then s1 = "一" & s1
    For i = 1 to Len(s1)
        chr = Mid(s1, i, 1)
        If InStr(str, chr) > 10 Then
            ss = ss & "*10^" & (InStr(str, chr)-10) & "+"
        Else
            ss = ss & (InStr(str, chr)-1)
        End If
    Next
    s1 = Right("0000" & eval(ss & "+0"), 4)
    If s2 <> "" Then s2 = " " + s2

    ConvertToNumber = "第" + s1 + "章" + s2
End Function
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