Dir vba excel примеры

Функция Dir служит для проверки существования каталога или файла, отвечающих заданному образцу.

Функция поддерживает использование подстановочных знаков для нескольких символов (*) и одиночного символа (?) для указания нескольких файлов. Функция возвращает первое имя файла, имя которого соответствует аргументу PathName. Для получения остальных файлов, имена которых соответствуют PathName, следует повторно вызвать функцию Dir без аргументов. Последовательные вызовы функции без аргументов возможны до тех пор, пока имеются файлы или папки, соответствующие образцу первого вызова (с аргументами)
Примечание Рекурсивные вызовы функции Dir запрещены

Синтаксис функции в VBA:

Dir[ (PathName[, Attributes])]

Функция возвращает данные типа String, структурно представляющего имя файла или папки, которые удовлетворяют указанному шаблону имени файла, набору атрибутов файла или метке тома на диске. Если аргумент PathName не найден, то функция Dir возвращает пустую строку (““)
Примечание Если после возврата функцией пустой строки, снова вызвать функцию без аргументов, то возникает ошибка времени исполнения Invalid procedure call or argument

Параметры функции

PathName — Необязательный аргумент. Строковое выражение, указывающее имя файла. Также может содержать имя каталога или папки и диска. При использовании имен файлов или папок, содержащих пробелы следует использовать дополнительные кавычки —Dir (» «C:Русский Проектapp.exe“») или Dir (Chr (34) & «C:Русский Проектapp.exe» & Chr (34))
Примечание Хотя PathName указан, как необязательный аргумент, он обязателен при первом вызове функции, а также в случаях, если задан аргумент Attributes

Attributes — Необязательный аргумент, содержащее константу или числовое выражение, описывающее атрибуты файла. Если этот аргумент опущен, возвращаются все файлы, имена которых удовлетворяют содержимому аргумента PathName.

Допустимые значения Attributes

vbNormal=0 — Обычное состояние файла. Используется по умолчанию

vbReadOnly=1  — Атрибут только для чтения

vbHidden=2 — Скрытый атрибут

vbSystem=4  — Системный атрибут

vbVolume=8 — Метка тома

vbDirectory=16 — Каталог или папка

Примечание Можно также указывать комбинации атрибутов путем их суммирования
Например, vbHidden+vbDirectory выводит скрытые папки

Пример кода на языке программирования VBA (Visual Basic for Applications):

' Примеры использования функции

Dim retval

' При наличии выводит WIN.INI

retval=Dir ( «c:windowswin.ini»)

Print retval

' Возвращает имя файла с расширением txt

' При наличии нескольких файлов возвращается

' первый найденный файл

retval = Dir ( «c:windows*.txt»)

MsgBox retval

DIR is a very special function in VBA, its job is to return a string representing the name of a file, directory, or archive that matches a specified pattern. DIR function only returns the first file name or folder name from a location that matches the specified attributes.

To fetch other file names or folder names from that location that match previously specified attributes, you need to call the DIR Function again with no arguments. This property of DIR Function can be quite useful in iterating or enlisting files or directories present inside a location.

Please note that the DIR function can just give you the name of the file. But if you also need attributes of a file (like last modified date, size, etc.) then consider using FileObjectSystem.

Syntax of VBA DIR Function:

The syntax of DIR is as follows:

DIR(pathname, attributes)

Here, ‘pathname’ specifies the location of a file, folder, or directory. If the ‘pathname’ is not found, DIR returns a string of zero length.

‘attributes’ is an optional argument. It can be anyone or summation of the following values:

Few Important points about VBA DIR Function

• Both the arguments in DIR Function are optional.
• You can use the wildcard character (like: ‘?’ or ‘*’) with DIR to specify multiple files.
  • ‘*’ allows you to match any string of any length (including zero-length)
  • ‘?’ allows you to match any single character.
• You must call the DIR Function along with the ‘pathname’ parameter for the first time. Subsequent calls to DIR Function can be made with no arguments to retrieve the next item.

5 Beginner Level Examples of DIR Function in VBA

Example 1: Supplying a file path to DIR Function

• Dir("C:SomeFile.txt") would return SomeFile.txt
• Dir("C:Some*.txt") would return SomeFile.txt (Provided there is no other file that starts with the word “Some”)
• Dir("C:SomeFil?.txt") would return SomeFile.txt

Example 2: Write a VBA code to retrieve the first .exe file from the Windows folder.

You can use the below code to do this:

Sub RetrieveFile()
File = Dir("C:Windows*.exe")
MsgBox File
End Sub

Explanation: This code retrieves the .exe file from the Windows folder and displays its name in a message box. If there are multiple .exe files inside the Windows Folder then this code will retrieve only the first one.

 Example 3: Use DIR Function to check if a File exists or not.

Below is the code to check this:

Sub RetrieveFile()
File = Dir("C:WindowsCSUP.txt")
If Len(File) > 0 Then
 MsgBox (File & " Exists")
Else
 MsgBox ("File Doesn't Exists")
End If
End Sub

Explanation: In this code, we have supplied the filename to the DIR Function. If DIR returns a string whose length is greater than 0 that means “File Exists”. We have checked this by using an IF Function.

Example 4: Write a VBA Code to check if a directory is present or not. If the directory is not present then create that directory.

To accomplish this we can use the below code:

Sub RetriveFolder()
MyFolder = "C:TestDirectory"
Fldr = Dir(MyFolder, vbDirectory)
If Len(Fldr) > 0 Then
 MsgBox (Fldr & " Already Exists")
Else
 MkDir MyFolder
 MsgBox ("Folder Created")
End If
End Sub

Explanation: In this code, we have supplied the folder path to the DIR Function. If DIR returns a string whose length is greater than 0 that means “Folder Exists” otherwise that Folder will be created.

Example 5: The Folder “C:Test” contains all hidden files. Write a VBA Code to retrieve the name of the first hidden file.

Sub RetrieveFile()
MyFile = Dir("C:Test*.*", vbHidden)
MsgBox MyFile
End Sub

Explanation: In this code, the DIR function will search the files with hidden attribute inside the “C:Test” folder. If this folder contains multiple hidden files then, DIR will return the first hidden file.

3 Advanced Level Examples of DIR Function in Excel

Example 6: Create a VBA code that can iterate through all the folders inside a path (immediate child folders only).

To do this we can use the following code:

Sub Iterate_Folders()
Dim ctr As Integer
ctr = 1
Path = "C:Windows " ' Path should always contain a '' at end
FirstDir = Dir(Path, vbDirectory) ' Retrieving the first entry.
Do Until FirstDir = "" ' Start the loop.
 If (GetAttr(Path & FirstDir) And vbDirectory) = vbDirectory Then
 ActiveSheet.Cells(ctr, 1).Value = Path & FirstDir
 ctr = ctr + 1
 End If
 FirstDir = Dir() ' Getting next entry.
Loop
End Sub

Explanation: In this code, we have used a Do Until Loop and DIR Function to iterate through all the folders present inside a location. It writes the result in the “A:A” range of the active sheet.

Notice that we have used DIR Function twice in this code, the first time with two arguments and the second time with no arguments to fetch the subsequent files.

Example 7: Create a VBA code that can iterate through all the files present at a location. (No need to list files under subfolders)

You can use the below code to accomplish this:

Sub Iterate_Files()
Dim ctr As Integer
ctr = 1
Path = "C:Windows " ' Path should always contain a '' at end
File = Dir(Path) ' Retrieving the first entry.
Do Until File = "" ' Start the loop.
 ActiveSheet.Cells(ctr, 1).Value = Path & File
 ctr = ctr + 1
 File = Dir() ' Getting next entry.
Loop
End Sub

Explanation: In this code, we have used a looping statement along with DIR Function to iterate through all the files present inside a location. It writes the result in “A:A” range of active sheet.

Example 8: Use the concept of the above two examples and write a VBA code that enlists all the files inside a current location and its subfolder.

For this example you can use the following code:

Sub Retrieve_File_listing()
Worksheets(1).Cells(2, 1).Activate
Call Enlist_Directories("C:UsersAnkitDesktopExcelTrick ", 1)
End Sub
Public Sub Enlist_Directories(strPath As String, lngSheet As Long)
Dim strFldrList() As String
Dim lngArrayMax, x As Long
lngArrayMax = 0
strFn = Dir(strPath & "*.*", 23)
While strFn <> ""
 If strFn <> "." And strFn <> ".." Then
 If (GetAttr(strPath & strFn) And vbDirectory) = vbDirectory Then
 lngArrayMax = lngArrayMax + 1
 ReDim Preserve strFldrList(lngArrayMax)
 strFldrList(lngArrayMax) = strPath & strFn & ""
 Else
 ActiveCell.Value = strPath & strFn
 Worksheets(lngSheet).Cells(ActiveCell.Row + 1, 1).Activate
 End If
 End If
 strFn = Dir()
Wend
If lngArrayMax <> 0 Then
 For x = 1 To lngArrayMax
 Call Enlist_Directories(strFldrList(x), lngSheet)
 Next
End If
End Sub

Explanation: This code first iterates through all the folders present inside a location and stores them in an array. Later it recursively calls the ‘Enlist_Directories’ function to retrieve the file names.

So, this was all about VBA DIR Function in Excel.

VBA has some useful functions that can take your automation in Excel to the next level.

One such function is the VBA DIR function.

While by itself, it may seem like a simple function that does one specific thing.

But when you combine it with some other useful elements of the VBA coding language, you can create powerful stuff (covered in the examples later in this tutorial).

What Does VBA Dir Function Do?

Use VBA DIR function when you want to get the name of the file or a folder, using their path name.

To give you an example, if you have an Excel file in a folder, you can use the VBA DIR function to get the name of that Excel file (or any other type of file).

What if I want to get the names of all the Excel files in the folder (or all the files – be it Excel file or not)?

You can do that too!

When you use DIR function once, it returns the first file name in a folder. Now if you want to get the names of the second, third, fourth files as well, you can use the DIR function again (covered later as an example).

Dir returns the first file name that matches the pathname. To get any additional file names that match pathname, call Dir again with no arguments. When no more file names match, Dir returns a zero-length string (“”). Covered in Example 3 and 4 later in this tutorial.

Syntax of VBA DIR Function

Dir [ (pathname [ ,attributes ] ) ]

• pathname: This is an optional argument. This can be the file name, folder name, or directory name. If pathname is not found, VBA DIR function returns a zero-length string (“”)
• attributes: This is an optional argument. You can use this argument to specify some attributes and DIR function will return the file names based on those attributes. For example, if you want a list of all hidden files or read-only files (along with files with no attributes), you need to specify that in this argument.

Attributes available to use in VBA DIR function (you can use one or more of these):

Using Wildcard Characters with DIR Function

If you’re working with Windows, you can also use the wildcard characters in the DIR function.

Note that you can not use these when working with VBA in Macintosh.

Using wildcards can be useful when:

• You want to get the file names of a particular file type (such as .XLSX or .PPTX)
• When you have a specific suffix/prefix in filenames and you want to get the names of these files/folders/directories. For example, if you want the names of all the files with the prefix 2019 in it, you can do that using wildcard characters.

There are three wildcard characters in Excel:

1. * (asterisk) – It represents any number of characters. For example, 2019* would give you the names of all the files with the prefix 2019 in it.
2. ? (question mark) – It represents one single character. For example, 2019? would give you the names of all the files that start with 2019 and has one more character in the name (such as 2019A, 2019B, 2019C, and so on)

Note: There is one more wildcard character – tilde (~). Since it’s not used a lot, I have skipped its explanation. You can read more about it here if interested.

VBA DIR Function – Examples

Now let’s dive in and see some examples of using the VBA DIR function.

Example 1 – Getting the File Name from its Path

When you have the path of a file, you can use the DIR function to get the name of the file from it.

For example, the below code returns the name of the file and shows it in a message box.

Sub GetFileNames()
Dim FileName As String
FileName = Dir("C:UserssumitDesktopTestExcel File A.xlsx")
MsgBox FileName
End Sub

The above code uses a variable ‘FileName’ to store the file name that is returned by the DIR function. It then uses a message box to display the file name (as shown below).

And what happens when the file doesn’t exist?

In that case, the DIR function would return an empty string.

The below code uses an If Then Else statement to check whether the file exists or not. If the file doesn’t exist, it shows a message box with a text “File Doesn’t Exist”, else it shows the file name.

Sub CheckFileExistence()
Dim FileName As String
FileName = Dir("C:UserssumitDesktopTestExcel File A.xlsx")

If FileName <> "" Then
    MsgBox FileName
Else
    MsgBox "File Doesn't Exist"
End If

End Sub

Example 2 – Check if a Directory Exists or Not (and create if it doesn’t)

The below code checks whether the folder ‘Test’ exists or not.

A message box is used to show a message in case the folder exists or when it doesn’t exist.

Sub CheckDirectory()
Dim PathName As String
Dim CheckDir As String

PathName = "C:UserssumitDesktopTest"
CheckDir = Dir(PathName, vbDirectory)

If CheckDir <> "" Then
    MsgBox CheckDir & " exists"
Else
    MsgBox "The directory doesn't exist"
End If

End Sub

You can refine this code further to check whether the folder exists or not, and if it doesn’t, then you can use VBA to create that folder.

Below is the code that uses the MkDir function to create a folder in case it doesn’t exist.

Sub CreateDirectory()
Dim PathName As String
Dim CheckDir As String

PathName = "C:UserssumitDesktopTest"
CheckDir = Dir(PathName, vbDirectory)

If CheckDir <> "" Then
    MsgBox CheckDir & " folder exists"
Else
    MkDir PathName
    MsgBox "A folder has been created with the name" & CheckDir
End If

End Sub

Example 3 – Get the Names of All File and Folders in a Directory

If you want to get a list of all the file and folder names in a directory, you can use the DIR Function.

The below code lists all the files and folder names in the Test folder (which is located at the following path – C:UserssumitDesktopTest).

I am using Debug.Print to show the names in the Immediate window. You can also use this to list the names in a message box or in a column in Excel.

Sub GetAllFile&FolderNames()
Dim FileName As String
FileName = Dir("C:UserssumitDesktopTest", vbDirectory)

Do While FileName <> ""
    Debug.Print FileName
    FileName = Dir()
Loop
End Sub

The Do While loop in the above code continues till all the files and folders in the given path have been covered. When there are no more files/folders to cover, FileName becomes a null string and the loop stops.

Example 4 – Get the Names of All Files in a Folder

You can use the below code to get the names of all the files in a folder/directory (and not the names of the sub-folders).

Sub GetAllFileNames()
Dim FileName As String
FileName = Dir("C:UserssumitDesktopTest")

Do While FileName <> ""
    Debug.Print FileName
    FileName = Dir()
Loop
End Sub

This code is just like the code used in Example 3, with one minor difference.

In this code, I have not specified vbDirectory in the DIR function. When you specify vbDirectory, it will give you the names of all the files as well as folders.

When you don’t specify vbDirectory, DIR function will only give you the names of the files.

Note: If you want to get the names of all the files in the main folder and the sub-folders, you can’t use the DIR function (as it’s not recursive). To do this, you can either use Power Query (no coding needed) or use the File System Object in VBA (with recursion).

Example 5 – Get the Names of All the Sub-Folders within a Folder

The below code would give you the names of all the sub-folders within the specified folder.

It uses the GetAtr function in VBA, which allows us to check whether the name returned by the DIR function is the name of a file or a folder/directory.

Sub GetSubFolderNames()
Dim FileName As String
Dim PathName As String

PathName = "C:UserssumitDesktopTest"
FileName = Dir(PathName, vbDirectory)

Do While FileName <> ""
If GetAttr(PathName & FileName) = vbDirectory Then
    Debug.Print FileName
End If
FileName = Dir()
Loop
End Sub

Again, I am using Debug.Print to get the names in the immediate window. You can get these in a message box or in Excel (by modifying the code accordingly).

Example 6 – Get the First Excel File from a Folder

With DIR function, you can specify the file extension or any suffix/prefix that you want in the file name that is returned.

The below code would display the name of the first Excel file in the Test folder.

Sub GetFirstExcelFileName()
Dim FileName As String
Dim PathName As String

PathName = "C:UserssumitDesktopTest"
FileName = Dir(PathName & "*.xls*")
MsgBox FileName
End Sub

Note that I have used *.xls* (asterisk sign on both sides). This will ensure that all the versions of Excel files are checked (.xls, xlsx, .xlsm, .xlsb).

Example 7 – Get Names of All Excel File in a Folder

Use the below code to get the names of all the Excel files in the Test folder.

Sub GetAllFileNames()
Dim FolderName As String
Dim FileName As String
FolderName = "C:UserssumitDesktopTest"
FileName = Dir(FolderName & "*.xls*")

Do While FileName <> ""
    Debug.Print FileName
    FileName = Dir()
Loop

End Sub

While the DIR function returns the name of the first Excel file only, since we are calling it again in the loop, it goes through all the files and gives us the names of all the Excel files.

Hope you found this tutorial and the examples useful.

Let me know your thoughts in the comments section.

You May Also Like the Following Excel Tutorials:

• Excel VBA InStr Function.
• Excel VBA Split Function.
• Excel VBA TRIM Function
• VBA LCASE Function.
• VBA UCASE Function.

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