部員名簿から学科毎の人数をカウント | Codetter（こーどったー）

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fs= require("fs")
fs.readFile("2011late.csv", "utf-8", (err, data) ->
        map = {}
        
        if err
            throw err
        
        for item in data.split("\n")
            [gakka, gakunen, namae] = item.split(",")
            if map[gakka] is undefined
                    map[gakka] = 1
            else
                    map[gakka]++;
                    
        console.log(map)
)
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