excel-vba
Objeto del sistema de archivos

Archivo, carpeta, unidad existe

El archivo existe:

Sub FileExists()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    If fso.FileExists("D:\test.txt") = True Then
       MsgBox "The file is exists."
    Else
       MsgBox "The file isn't exists."
    End If
End Sub

Carpeta existe:

Sub FolderExists()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    If fso.FolderExists("D:\testFolder") = True Then
       MsgBox "The folder is exists."
    Else
       MsgBox "The folder isn't exists."
    End If
End Sub

La unidad existe:

Sub DriveExists()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    If fso.DriveExists("D:\") = True Then
       MsgBox "The drive is exists."
    Else
       MsgBox "The drive isn't exists."
    End If
End Sub

Operaciones básicas de archivo

Dupdo:

Sub CopyFile()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.CopyFile "c:\Documents and Settings\Makro.txt", "c:\Documents and Settings\Macros\"
End Sub

Movimiento:

Sub MoveFile()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.MoveFile "c:\*.txt", "c:\Documents and Settings\"
End Sub

Borrar:

Sub DeleteFile()
    Dim fso
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.DeleteFile "c:\Documents and Settings\Macros\Makro.txt"
End Sub

Operaciones básicas de carpeta

Crear:

Sub CreateFolder()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.CreateFolder "c:\Documents and Settings\NewFolder"
End Sub

Dupdo:

Sub CopyFolder()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.CopyFolder "C:\Documents and Settings\NewFolder", "C:\"
End Sub

Movimiento:

Sub MoveFolder()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.MoveFolder "C:\Documents and Settings\NewFolder", "C:\"
End Sub

Borrar:

Sub DeleteFolder()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    fso.DeleteFolder "C:\Documents and Settings\NewFolder"
End Sub

Otras operaciones

Obtener nombre de archivo:

Sub GetFileName()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    MsgBox fso.GetFileName("c:\Documents and Settings\Makro.txt")
End Sub

Resultado: Makro.txt

Obtener el nombre de la base:

Sub GetBaseName()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    MsgBox fso.GetBaseName("c:\Documents and Settings\Makro.txt")
End Sub

Resultado: Makro

Obtener el nombre de la extensión:

Sub GetExtensionName()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    MsgBox fso.GetExtensionName("c:\Documents and Settings\Makro.txt")
End Sub

Resultado: txt

Obtener el nombre de la unidad:

Sub GetDriveName()
    Dim fso as Scripting.FileSystemObject
    Set fso = CreateObject("Scripting.FileSystemObject")
    MsgBox fso.GetDriveName("c:\Documents and Settings\Makro.txt")
End Sub

Resultado: c: