Hello,

This is a basic question, as I'm very new to Ruby. I have a text file  
'input.dat' containing the following data and text:


> some text
> some text...
>
> angle          value1            value2
>
> 156.00        3.3688E-03        1.7040E-03
> 157.00        3.2919E-03        1.7118E-03
> 158.00        3.2140E-03        1.7190E-03
> 159.00        3.1354E-03        1.7258E-03
> 160.00        3.0560E-03        1.7320E-03
> 161.00        2.9760E-03        1.7378E-03
> 162.00        2.8956E-03        1.7431E-03
> 163.00        2.8148E-03        1.7479E-03
> 164.00        2.7338E-03        1.7523E-03
> 165.00        2.6526E-03        1.7562E-03
> 166.00        2.5714E-03        1.7597E-03
> 167.00        2.4902E-03        1.7628E-03


I would like to extract the 3 columns of data for several consecutive  
lines (say, from angle = 158 to 165). These values should be stored  
in some array or vector. How can I do that in Ruby?

Many thanks,

baptiste