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#!/usr/bin/env ruby
require 'optimist'
def main
conf = Optimist::options do
opt :only_low, "inverse only for values < 1.0", :type => :bool, :default => false, :short => "-l"
opt :only_high, "inverse only for values > 1.0", :type => :bool, :default => false, :short => "-h"
end
while line = STDIN.gets
f = line.to_f
if conf[:only_low]
if f < 1
puts line.to_f**(-1)
else
puts line.to_f
end
elsif conf[:only_high]
if f > 1
puts line.to_f**(-1)
else
puts line.to_f
end
else
puts line.to_f**(-1)
end
end
end
main
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