2/12/2023 0 Comments Visual basic editor excel 2016 mac![]() I’m going to warn you right now that wildcards only work with the Dir function on a Windows operating system. I don’t find myself having to use these arguments that often, but here they are if you want to know: txt exists does not Exist End If End Sub VBA Dir Second Argumentīelieve it or not, the Dir function can do even more! It accepts an optional second argument so you can restrict your search to files meeting certain attribute parameters. ![]() txt exists Else 'File beginning with A and ending with. Sub FileExistsWildCardDemo () 'VBA Check if File Exists Dim strFile As String strFile = "C:\Users\Ryan\Documents\A*.txt" If FileExists ( strFile ) Then 'File beginning with A and ending with. Here’s a quick demo showing how to use my FileExists Function with a wildcard to see if a file exists. My FileExists function will return True if any file is found meeting the wildcard conditions. If wildcards are used, the Dir function will return the name of the FIRST file it finds meeting the criteria. ![]() For example, “B?.txt” will cause Dir to search for a file with a 2 letter prefix beginning with a B, like “B1.txt” or “Bc.txt” Question Mark (?) - Used to search individual unknown characters.For example, “a*.txt” will cause Dir to search for a file name of any length beginning with an “a” and ending with a “.txt” Asterisk (*) - Used to search multiple unknown characters. ![]() It can accept wildcards, like the asterisk (*) and question mark (?). The VBA Dir function is pretty smart, too. I’ve used it in the past to count files in a folder and loop through files in a folder. This isn’t the first time you’ve seen me use the Dir function. Sub FileExistsDemo () 'VBA Check if File Exists Dim strFile As String strFile = "C:\Users\Ryan\Documents\DataFile.txt" If FileExists ( strFile ) Then 'File Exists Else 'File Does Not Exist End If End Sub
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