declare 
@file_size     int,
@modified_time datetime

insert into table (file_size, modified_time)
select @file_size, @modified_time

CREATE TABLE	#Files
		(
			Information VARCHAR(300)
		)

INSERT	#Files
	(
		Information
	)
EXEC	master..xp_cmdshell 'dir /4 /-c /tw %windir%\*.*'

DELETE
FROM	#Files
WHERE	LEFT(Information, 1) = ' '
	OR Information IS NULL
	OR SUBSTRING(Information, 22,5) = '<DIR>'

INSERT	MyTable
	(
		FileName,
		FileSize,
		FileWritten
	)
SELECT	SUBSTRING(Information, 37, 80) FileName,
	CONVERT(INT, SUBSTRING(Information, 26, 10)) FileSize,
	CONVERT(DATETIME, LEFT(Information, 17)) FileWritten
FROM	#Files

DROP TABLE #Files