Simple utility functions for reading CSV files.
Parses a CSV string. Returns an array of lines, which contain an array of fields.
import * as CSV from './deps.ts';
const text = await Deno.readTextFile("./addresses.csv");
const lines = CSV.parse(text);
console.log(lines[0][0]);You can optionally set the header option to true to obtain each lines as an
objects, using the first line as the keys.
import * as CSV from './deps.ts';
const text = await Deno.readTextFile("./people.csv", { header: true });
const people = CSV.parse(text);
console.log(people[0].name);Reads a CSV string asynchronously. Useful when working on very large files or dealing with real-time data from a readable stream.
import * as CSV from './deps.ts';
const file = await Deno.open("./very_large_file.csv");
for await (const line of CSV.read(file.readable)) {
for (const field of line) {
console.log(field);
}
}