#!/usr/bin/ruby
T = 2000
Binsize = 10
DT = 0.001
N = 102400
Input = "gr.spk.a1"
Output = "sum.dat"
ary = Array.new(T/Binsize)
IO.foreach(Input){|l|
t, n = l.chomp.split
ary[t.to_i/Binsize] = ary[t.to_i/Binsize].to_i + 1
}
open(Output, "w"){|o|
ary.each_with_index{|n, i|
o.puts "#{DT*i.to_f*Binsize} #{n.to_f/(N.to_f)}"
}
}
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