vbs如何刪除文本文件的行的函數(shù)

這篇文章主要介紹“vbs如何刪除文本文件的行的函數(shù)”，在日常操作中，相信很多人在vbs如何刪除文本文件的行的函數(shù)問題上存在疑惑，小編查閱了各式資料，整理出簡(jiǎn)單好用的操作方法，希望對(duì)大家解答”vbs如何刪除文本文件的行的函數(shù)”的疑惑有所幫助！接下來(lái)，請(qǐng)跟著小編一起來(lái)學(xué)習(xí)吧！

Delete Line Function

復(fù)制代碼 代碼如下:

Function DeleteLine(strFile, strKey, LineNumber, CheckCase)
'DeleteLine Function by TomRiddle 2008

'Remove line(s) containing text (strKey) from text file (strFile)
'or
'Remove line number from text file (strFile)
'or
'Remove line number if containing text (strKey) from text file (strFile)

'Use strFile = "c:\file.txt" (Full path to text file)
'Use strKey = "John Doe" (Lines containing this text string to be deleted)
'Use strKey = "" (To not use keyword search)
'Use LineNumber = "1" (Enter specific line number to delete)
'Use LineNumber = "0" (To ignore line numbers)
'Use CheckCase = "1" (For case sensitive search )
'Use CheckCase = "0" (To ignore upper/lower case characters)


Const ForReading=1:Const ForWriting=2
Dim objFSO,objFile,Count,strLine,strLineCase,strNewFile
Set objFSO=CreateObject("Scripting.FileSystemObject")
Set objFile=objFSO.OpenTextFile(strFile,ForReading)
Do Until objFile.AtEndOfStream
strLine=objFile.Readline
If CheckCase=0 then strLineCase=ucase(strLine):strKey=ucase(strKey)
If LineNumber=objFile.Line-1 or LineNumber=0 then
If instr(strLine,strKey) or instr(strLineCase,strkey) or strKey="" then
strNewFile=strNewFile
Else
strNewFile=strNewFile&strLine&vbcrlf
End If
Else
strNewFile=strNewFile&strLine&vbcrlf
End If
Loop
objFile.Close
Set objFSO=CreateObject("Scripting.FileSystemObject")
Set objFile=objFSO.OpenTextFile(strFile,ForWriting)
objFile.Write strNewFile
objFile.Close

End Function

使用方法：
DeleteLine "c:\1.txt", "", 1, 0

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