how to read a csv file in nodejs
const fs = require('fs')
const csv = require('csv-parser')
const randomWords = require('random-words')
const users = [];
function generateUsername(firstname, surname) {
return `${firstname[0]}-${surname}`.toLowerCase();
}
fs.createReadStream('input.csv')
.pipe(csv())
.on('data', function (row) {
const username = generateUsername(row.Firstname, row.Surname);
const password = randomWords(3).join("-");
const user = {
username,
firstname: row.Firstname,
surname: row.Surname,
roles: row.Roles,
password
}
users.push(user)
})
.on('end', function () {
console.table(users)
// TODO: SAVE users data to another file
})
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4
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const createCsvWriter = require('csv-writer').createObjectCsvWriter;
const csvWriter = createCsvWriter({
path: 'out.csv',
header: [
{id: 'name', title: 'Name'},
{id: 'surname', title: 'Surname'},
{id: 'age', title: 'Age'},
{id: 'gender', title: 'Gender'},
]
});
const data = [
{
name: 'John',
surname: 'Snow',
age: 26,
gender: 'M'
}, {
name: 'Clair',
surname: 'White',
age: 33,
gender: 'F',
}, {
name: 'Fancy',
surname: 'Brown',
age: 78,
gender: 'F'
}
];
csvWriter
.writeRecords(data)
.then(()=> console.log('The CSV file was written successfully'));
Thank you!
2
0
0
0
const csv = require('csv-parser');
const fs = require('fs');
fs.createReadStream('data.csv')
.pipe(csv())
.on('data', (row) => {
console.log(row);
})
.on('end', () => {
console.log('CSV file successfully processed');
});
Thank you!
0
0
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