批量正则替换文件内容(vbscript)

用法：类似于我空间的另一篇--批量正则改文件名
注意：要替换内容的文本型文件都放到同一个文件夹里，第二个参数可以写正则表达式

Dim fso,fd,fl,f,fdpath,findstr,repstr
On Error Resume Next
If WScript.Arguments.Length>=1 Then
fdpath = WScript.Arguments(0)
Else
fdpath = InputBox("请输入文件夹路径：","第一个参数")
If fdpath = "" Then WScript.Quit
End If

If WScript.Arguments.Length>=2 Then
findstr = WScript.Arguments(1)
Else
findstr = InputBox("请输入查找字符串：","第二个参数")
if findstr = "" then WScript.Quit
End If

If WScript.Arguments.Length>=3 Then
repstr = WScript.Arguments(2)
Else
repstr = InputBox("请输入替换字符串：","第三个参数")
If isEmpty(repstr) Then WScript.Quit
'上面这种判断，解决了用户没输入，得知其按的是确定还是取消
End If

Set fso = CreateObject("scripting.filesystemobject")
Set fd = fso.GetFolder(fdpath)
Set fl=fd.Files
For each f in fl
doreplace f.Path,findstr,repstr
Next
MsgBox "替换结束，请查看结果。",,"提示"

'读取文件-->替换内容-->保存文件
Function doreplace(filepath,findstr,replacestr)
Dim FileName, Find, ReplaceWith, FileContents, dFileContents, regEx
Set regEx=New RegExp
regEx.Pattern = findstr
regEx.IgnoreCase = True
regEx.Global = True
ReplaceWith =replacestr
FileName = filepath
FileContents = GetFile(FileName)
dFileContents = regEx.replace(FileContents,ReplaceWith)
if dFileContents <> FileContents Then
WriteFile FileName, dFileContents
End If
End Function
'读取文件
Function GetFile(FileName)
If FileName<>"" Then
Dim FS, FileStream
Set FS = CreateObject("Scripting.FileSystemObject")
On Error Resume Next
Set FileStream = FS.OpenTextFile(FileName)
GetFile = FileStream.ReadAll
End If
End Function
'写文件
Function WriteFile(FileName, Contents)
Dim OutStream, FS
On Error Resume Next
Set FS = CreateObject("Scripting.FileSystemObject")
Set OutStream = FS.OpenTextFile(FileName, 2, True)
OutStream.Write Contents
End Function

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