gistfile1.txt

def open_data_file(fname)
    puts "reading #{fname}"
    fin = File.open(fname, "r")
    line_iter = fin.lines("\r")
    
    line_iter.each {|line|
        # puts "@"
        # puts line.chomp
        # puts "#"
        if(line.chomp == "$$SOE")
            break
        end
    }
    
    pts = []
    loop do
        t = line_iter.next.chomp
        # puts t
        if(t == "$$EOE")
            break
        end
        p = line_iter.next.chomp
        # puts p
        v = line_iter.next.chomp
        # puts v
        pts.push(p.split(' ').map {|x| x.to_f})
    end
    pts
end