Batch file next available drive letter

It'll have to digest. How does it actually grab the result from the onscreen text? Is the FOR code actually intercepting the value returned? Or does it just count 6 character spaces starting from the left side of the screen? I still don't understand how it "grabs" the value returned.

Are the "1,2" values the "Z" and ":" colon? For our purposes, we will create a simple text file with the ". It does not matter where this batch file is located, but I would suggest somewhere on the operating system drive typically C:.

Use Windows File Explorer to navigate to the Apps folder, as shown in Figure A , and right-click on an open area in the righthand window. Select New Text Document from the context menu. Give your new text file a name but be sure to use the. For our example, we used Startup. Right-click your batch file and select Edit from the context menu. Windows will open Notepad, and you will see an empty text file. Add the subst command that maps your desired drive letter to Microsoft One Drive.

In my case it is:. Save the batch file and close out Notepad. If you double-click your new batch file, it will run probably faster than you can notice and OneDrive will be mapped to a drive letter. However, to get this batch file to run on startup, we will have to place a link to it in the special Windows 10 and Windows 11 Startup folder. Many users are unaware of the Windows Startup folder, but it can be useful for running any application during the boot process that does not have that feature already built in.

Right-click an open area in the righthand window and select New Shortcut. You will be presented with a dialog box where you can browse to your batch file. Solution implemented on the mini-servers was to reverse drive letter detection hence first allocated if free is Z. From The Uniform Server Wiki. Navigation menu Personal tools Log in. Namespaces Page Discussion. Views Read View source View history. Navigation Main page Recent changes Random page Help.

This page was last edited on 16 October , at Content is available under SourceForge unless otherwise noted. Contents 1 Batch file to detect first free drive letter 2 Disk Start. CreateObject "WScript. Variable letter is assigned a numeric value starting with "c" drive. Within the while loop the variable letter is incremented to the next drive letter.

This new value is checked the while loop repeats until a drive does not exist. While loop exit, variable letter contains first free drive letter. Drive numeric is converted to a character which in turn is converted to upper case using: UCASE Chr letter Note 3 : I think lower case drive letters are safe to use however I have always used uppercase. What really is neat about this code it requires no additional instructions to detect CD drives. CreateTextFile "test1.

WriteLine driveLetter oft. Close 'Exit code 0 ok WScript. Quit 0. Quit driveLetter.