Hello, i have a text file with numbers arranged as groups seperated by blank(empty) lines such as - 
_DATA_
20.187 15.415  8.663  6.001  6.565  6.459  6.564 13.454 13.475 13.220 
+12.982 13.502 13.774 13.490

19.715 14.726  8.307  5.833  6.367  6.089  6.444  6.403  8.672  8.236 
+12.982 13.502 13.774 13.490

20.099 15.205  8.763  6.317  6.861  6.973  6.701  6.334  8.406  8.155 
+ 7.395  8.156  9.551  8.530

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How can i add all the first elements (20.187+19.715+20.099 etc ) , second elements (15.415+14.726+15.205) and so on in the list.(Groups are always of equal length. thanks

In reply to adding array elements by Sidac

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