How to get the default error log path for SQL Server with T-SQL

Below is a script to get the default error log path for SQL Server and set it as a variable. 

USE MASTER;
GO

DECLARE @LogPath AS VARCHAR(MAX)
DECLARE @ErrorLogPath TABLE (
	LogDate DATETIME
	,ProcessInfo VARCHAR(255)
	,PathText VARCHAR(MAX)
	);

INSERT INTO @ErrorLogPath
EXEC xp_readerrorlog 0
	,1
	,N'Logging SQL Server messages in file';

SET @LogPath = (
		SELECT REPLACE(REPLACE(REPLACE(PathText, 'Logging SQL Server messages in file ', ''), '''', ''), 'ERRORLOG.', '')
		FROM @ErrorLogPath
		);

SELECT @LogPath AS DefaultLogPath;
GO

 

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