Excel files modification help

Hi Girls and Boys,

Will be greatly appreciate if someone could give me some insight on whether this is something can be done.

I got a lot of excel/txt file that need to add one line of coluum on top. Here is what I really meant:

From:

"Loading,1.024,0.3725408,0.01414836,0, , ,0.3725408,0.05317445,0, , , , , , , , ,0.003700595,0, , , , ,0,0, , , , , "
"Loading,2.304,1.039208,0.04485469,0, , ,1.039208,0.08378078,0, , , , , , , , ,0.02530482,0, , , , ,0,0, , , , , "
"Loading,3.584,2.147026,0.08137956,0, , ,2.147026,0.1201395,0, , , , , , , , ,0.08322852,0, , , , ,0,0, , , , , "

Into 

"TD;50mN_v3.000;0;0.03908197;0;0.2103292;0.0575648;0:0:0;21/05/18:11:31:02;True;0.00015;; ;2;0;0;82.53362;Poly2/80%;1;,t (sec),P (raw),ht (raw),S,Lateral Force (mN),Lateral Distance (um),P (mN),ht (um),ADC 1/0,hc,a,dP/dh,E*(GPa),H (GPa),Position(um),Friction,E (GPa),Up (nJ),Ue (nJ),E1,E2,n1,n2,AE/C,AE/S,h corr,HV,HM,-,-"
"IC,0,0.1503822,-6.101884E-05,0, , ,0.1503822,0.03902095,0, , , , , , ,, ,0,0, , , , ,0,0, , , , , "
"Loading,1.024,0.3725408,0.01414836,0, , ,0.3725408,0.05317445,0, , , , , , , , ,0.003700595,0, , , , ,0,0, , , , , "
"Loading,2.304,1.039208,0.04485469,0, , ,1.039208,0.08378078,0, , , , , , , , ,0.02530482,0, , , , ,0,0, , , , , "
"Loading,3.584,2.147026,0.08137956,0, , ,2.147026,0.1201395,0, , , , , , , , ,0.08322852,0, , , , ,0,0, , , , , "