It is a Text File named Lumber.Dat How can I attach the file

Sample
DESCRIPTION=Lumber
UNITSYSTEM=1
DENSITY=0.2838
MATERIAL=Pine
PAINT=N/A
SORT_SEQ=0

MEMBER WGT AREA WIDTH THK
===================================================================================================
1 x 3 0.470 0.14 0.7500 2.5000
1 x 4 0.640 0.14 0.7500 3.5000
1 x 6 1.000 0.14 0.7500 5.5000
1 x 8 1.320 0.14 0.7500 7.2500
1 x 10 1.690 0.14 0.7500 9.2500