FielPath : Location of your Text file including file name. e.g.: c:\abc\abc.txt
oldStr : search string into the file
newStr: replace the value with oldStr.
Sub TestReplaceTextInFile(filePath As String, oldStr As String, newStr As String)
ReplaceTextInFile filePath, oldStr, newStr
End Sub
Sub ReplaceTextInFile(SourceFile As String, sText As String, rText As String)
Dim TargetFile As String, tLine As String, tString As String
Dim p As Integer, i As Long, F1 As Integer, F2 As Integer
TargetFile = "RESULT.TMP"
If Dir(SourceFile) = "" Then Exit Sub
If Dir(TargetFile) <> "" Then
On Error Resume Next
Kill TargetFile
On Error GoTo 0
If Dir(TargetFile) <> "" Then
MsgBox TargetFile & _
" already open, close and delete / rename the file and try again.", _
vbCritical
Exit Sub
End If
End If
F1 = FreeFile
Open SourceFile For Input As F1
F2 = FreeFile
Open TargetFile For Output As F2
i = 1 ' line counter
Application.StatusBar = "Reading data from " & _
TargetFile & " ..."
While Not EOF(F1)
If i Mod 100 = 0 Then Application.StatusBar = _
"Reading line #" & i & " in " & _
TargetFile & " ..."
Line Input #F1, tLine
If sText <> "" Then
ReplaceTextInString tLine, sText, rText
End If
Print #F2, tLine
i = i + 1
Wend
Application.StatusBar = "Closing files ..."
Close F1
Close F2
Kill SourceFile ' delete original file
Name TargetFile As SourceFile ' rename temporary file
Application.StatusBar = False
End Sub
Private Sub ReplaceTextInString(SourceString As String, _
SearchString As String, ReplaceString As String)
Dim p As Integer, NewString As String
Do
p = InStr(p + 1, UCase(SourceString), UCase(SearchString))
If p > 0 Then ' replace SearchString with ReplaceString
NewString = ""
If p > 1 Then NewString = Mid(SourceString, 1, p - 1)
NewString = NewString + ReplaceString
NewString = NewString + Mid(SourceString, _
p + Len(SearchString), Len(SourceString))
p = p + Len(ReplaceString) - 1
SourceString = NewString
End If
If p >= Len(NewString) Then p = 0
Loop Until p = 0
End Sub