Replace a specific string with the filename? - vbscript

Question

How to replace a specific string with the filename? Example: I have several files with different names (like: Test.asp, Constant.asp, Letter.asp, etc.) within a subfolder that contain the text "ABC123". I would like to replace the "ABC123" in each file with the filename.
Below is the code I have that finds string and replaces it with a specific string but it doesn't do the job that I listed above.
Option Explicit
Dim objFilesystem, objFolder, objFiles, objFile, tFile, objShell, objLogFile,objFSO, objStartFolder, colFiles
Dim SubFolder, FileText, bolWriteLog, strLogName, strLogPath, strCount, strCount2, strOldText, strNewText, strEXT
bolWriteLog = True
Const ForReading = 1
Const ForWriting = 2
Const TriStateUseDefault = -2
Set objFilesystem = WScript.CreateObject("Scripting.FileSystemObject")
Set objShell = CreateObject("WScript.Shell")
strLogName = "log.txt"
strLogPath = "C:\" & strLogName
strCount = 0
strCount2 = 0
strOldText = "ABC123"
strNewText = ""
strEXT = "asp"
'Initialize log file
If bolWriteLog Then
On Error Resume Next
Set objLogFile = objFileSystem.OpenTextFile(strLogPath, 2, True)
WriteLog "############### Start Log ##################"
If Not Err.Number = 0 Then
MsgBox "There was a problem opening the log file for writing." & Chr(10) & _
"Please check whether """ & strLogPath & """ is a valid file and can be openend for writing." & _
Chr(10) & Chr(10) & "If you're not sure what to do, please contact your support person.", vbCritical, "Script Error"
WScript.Quit
End If
On Error Goto 0
End If
Set objFSO = CreateObject("Scripting.FileSystemObject")
objStartFolder = "D:\MyFolder"
Set objFolder = objFSO.GetFolder(objStartFolder)
WScript.Echo objFolder.Path
Set colFiles = objFolder.Files
For Each objFile In colFiles
'WScript.Echo objFile.Name
' Now we have an exception for all files that can not be opened in text modus: all extensions such as "exe" should be listed upfront.
ReplaceText(objFile)
Next
ShowSubfolders objFSO.GetFolder(objStartFolder)
Sub ReplaceText(objFile)
If InStr(1, strEXT, Right(LCase(objFile.Name), 3)) = 0 Or objFile.Size = 0 Then
Else
strCount = strCount + 1
WriteLog("Opening " & objFile.Name)
Set tFile = objFile.OpenAsTextStream(ForReading, TriStateUseDefault)
FileText = tFile.ReadAll
tFile.Close
If InStr(FileText, strOldText) Then
WriteLog("Replacing " & strOldText & " with " & strNewText & ".")
FileText = Replace(FileText, strOldText, strNewText)
WriteLog("Text replaced")
Else
WriteLog(strOldText & " was not found in the file.")
strCount2 = strCount2 + 1
End If
Set tFile = objFile.OpenAsTextStream(ForWriting, TriStateUseDefault)
tFile.Write FileText
tFile.Close
FileText = ""
strCount = 0
strCount2 = 0
End If
End Sub
Sub ShowSubFolders(Folder)
For Each Subfolder in Folder.SubFolders
'WScript.Echo Subfolder.Path
Set objFolder = objFSO.GetFolder(Subfolder.Path)
Set colFiles = objFolder.Files
For Each objFile in colFiles
'WScript.Echo objFile.Name
ReplaceText(objFile)
Next
ShowSubFolders Subfolder
Next
End Sub
WriteLog "############### EndLog ##################"
WScript.Echo "Script Complete"
objShell.Run "C:\" & strLogName
'Clear environment and exit
On Error Resume Next
Set tFile = Nothing
Set objFile = Nothing
Set objFiles = Nothing
Set objFolder = Nothing
Set objLogFile = Nothing
Set objFilesystem = Nothing
Set objShell = Nothing
WScript.Quit
'Subs and functions ********** DO NOT EDIT ***************
Sub WriteLog(sEntry)
If bolWriteLog Then objLogFile.WriteLine(Now() & ": Log: " & sEntry)
End Sub

Answer 1

I can give you a one line Ruby solution, should be not too difficult to translate that in Python but somewhat more extensive in VbScript I am afraid. First a generic search and replace version.
ARGV[0..-3].each{|f| File.write(f, File.read(f).gsub(ARGV[-2],ARGV[-1]))}
Save it in a script, eg replace.rb
You start in on the command line (here cmd.exe) with
replace.rb *.txt <string_to_replace> <replacement>
broken down so that I can explain what's happening but still executable
# ARGV is an array of the arguments passed to the script.
ARGV[0..-3].each do |f| # enumerate the arguments of this script from the first to the last (-1) minus 2
File.write(f, # open the argument (= filename) for writing
File.read(f) # open the argument (= filename) for reading
.gsub(ARGV[-2],ARGV[-1])) # and replace all occurances of the beforelast with the last argument (string)
end
And finally your request to replace ABC123 with the filename.
Of course tested and working
ARGV[0..-1].each{|f| File.write(f, File.read(f).gsub('ABC123', f))}
Contents of one of my testfiles (1.txt) after executing
test phrase
1.txt
EDIT
I see you want subfolder recursion on a fixed folder, no problem
Dir['**/*'].each{|f| File.write(f, File.read(f).gsub('ABC123', f)) unless File.directory?(f) }