ruby 去掉文件里重复的行

old = File.open(ARGV[0]).collect

new = File.open(ARGV[1],"a+")

for i in 0..old.length-1

new.write(old.uniq[i])

end

##或简单两行也可以如qc.rb

old = File.open(ARGV[0]).collect

puts old.uniq

然后qc.rb dic.dic >new.dic