39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
const fs = require('fs')
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const printStats = function(path, timeToRead) {
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fs.stat(path, (err, stats) => {
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if (err) {
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console.error(err)
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return
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}
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console.log("Size: " + stats.size)
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console.log("Last change: " + stats.mtime)
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console.log("Number of lines: " + (data.length - 1))
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console.log("Time to read: " + timeToRead)
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fs.time
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})
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}
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const csvToJson = function(data) {
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data = data.split("\n")
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attributes = data.shift()
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attributes = attributes.split(",")
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data = data.map(element => {
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element = element.split(",")
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const obj= {}
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for (let i = 0; i < attributes.length; i++) {
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obj[attributes[i]] = element[i]
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}
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return obj
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})
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return JSON.stringify(data)
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}
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const startTime = Date.now()
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let data = fs.readFileSync('./csv/population.csv', 'utf8')
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const endTime = Date.now()
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printStats('./csv/population.csv', endTime - startTime)
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fs.writeFileSync('./json/population.json', csvToJson(data))
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