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val path = "/public/retail_db" or val path = "/Users/itversity/Research/data/retail_db"

val rdd = sc.textFile(path + "/orders")
rdd.first
rdd.take(10)
rdd.collect
rdd.take(10).foreach(println)
rdd.take(10).foreach(k => println(k.split(",")(0) + "\t" + k.split(",")(1)))