col1,col2,col3
a,b,1
d,e,2

var fs = require("fs");
var d3 = require("d3");

fs.readFile("test.csv", "utf8", function(error, data) {
        var data = JSON.stringify(d3.csvParse(data));
        data.map((item, i) => console.log(`Hello ${item.col1} this ${item.col2} there are ${item.col3} blabla`));
});

var data = [{ "col1":"a","col2":"b","col3":1},
            { "col1":"d","col2":"e","col3":2}]

data.map((item, i) => console.log(`Hello ${item.col1} this ${item.col2} there are ${item.col3} blabla`));