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

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