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*** Destroy a file without getting error! ***

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Submitted on: 1/2/2015 3:30:00 AM
By: Matt Evans (from psc cd)  
Level: Not Given
User Rating: By 9 Users
Compatibility: VB 3.0, VB 4.0 (16-bit), VB 4.0 (32-bit), VB 5.0, VB 6.0
Views: 3277
 
     This DOES use the kill function, but when you use this it actually opens the file you want to destroy, cleans it out, then deletes it so you don't get any error because of sensitive data!
 
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'**************************************
' Name: *** Destroy a file without getting error! ***
' Description:This DOES use the kill function, but when you use this it actually opens the file you want to destroy, cleans it out, then deletes it so you don't get any error because of sensitive data!
' By: Matt Evans (from psc cd)
'
' Inputs:File To Delete
'
' Returns:No more file
'
' Assumes:Make sure not to delete win.com, win.ini, config.sys, himem.sys, autoexec.bat or any of those files, lol ;D
'**************************************

Sub DestroyFile(sFileName As String)
Dim Block1 As String, Block2 As String, Blocks As Long
Dim hFileHandle As Integer, iLoop As Long, offset As Long
'Create two buffers with a specified 'wipe-out' characters
Const BLOCKSIZE = 4096
Block1 = String(BLOCKSIZE, "X")
Block2 = String(BLOCKSIZE, " ")
'Overwrite the file contents with the wipe-out characters
hFileHandle = FreeFile
Open sFileName For Binary As hFileHandle
Blocks = (LOF(hFileHandle) \ BLOCKSIZE) + 1
For iLoop = 1 To Blocks
offset = Seek(hFileHandle)
Put hFileHandle, , Block1
Put hFileHandle, offset, Block2
Next iLoop
Close hFileHandle
'Now you can delete the file, which contains no sensitive data
Kill sFileName
End Sub


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