Listing Files in Folders without xp_cmdshell in SQL Server
When seeking to list files within a folder using SQL Server, an alternative solution to employing the xp_cmdshell stored procedure is to utilize the xp_dirtree command.
xp_dirtree Command
xp_dirtree offers a comprehensive means of enumerating files and directories within a specified folder. Its parameters include:
- Path of a Root Directory: Specifies the folder where the exploration should commence.
- Depth: Determines the extent to which subdirectories should be traversed.
- Display Mode: Dictates whether to display only directories or both directories and files.
Example:
To list files and directories up to two levels deep in the C: drive, excluding hidden files, the following command can be executed:
EXEC xp_dirtree 'C:\', 2, 1
Benefits of Using xp_dirtree
Utilizing xp_dirtree provides several advantages:
- Security: Eliminates the risks associated with using xp_cmdshell, as it does not invoke the operating system command line.
- Portability: Operates universally across various versions of SQL Server without requiring modification.
- Customization: Allows for fine-grained control over the depth and type of file system objects to be included in the results.
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