are we assigning these lines
'0.000000e+000 1.502947e+000
1.162272e-012 1.508957e+001
2.324544e-012 1.508948e+000';
to the variable $file. With '...' in the middle means some 2000 more pairs in continuity. Kindly explain your very first line of the code.
many thanks,
riz.