Simple free drive #Space alert for SQL Server databases

Here is the T-SQL for the stored procedure ... AS driveLetter ,ltrim(rtrim(substring(data, 3, len(data) - 2 - charIndex(' ', REVERSE(data), 1)))) AS FreeSpaceGB ,right(data, charIndex(' ', REVERSE(data), 1) - 1) AS TotSizeGB FROM @infoFromPS SELECT ...