Created
January 10, 2019 16:06
-
-
Save johnmurch/645d9e68679214665650a873eb832584 to your computer and use it in GitHub Desktop.
Read a CSV file in Node.js
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var fs = require('fs'), | |
| readline = require('readline'), | |
| stream = require('stream'); | |
| var instream = fs.createReadStream('./FILE.csv'); | |
| var outstream = new stream; | |
| outstream.readable = true; | |
| var isHeaders = true; // default - there exists a header, or swap true/false | |
| var headers = []; | |
| var rl = readline.createInterface({ | |
| input: instream, | |
| output: outstream, | |
| terminal: false | |
| }); | |
| rl.on('line', function(line) { | |
| // console.log(line); | |
| // PARSING DATA | |
| if(!isHeaders){ | |
| // if there are QUOTES(") seperating out the values | |
| var csvLine = line.split(/,(?=(?:(?:[^"]*"){2})*[^"]*$)/); | |
| // append to file | |
| //fs.appendFileSync('dump.txt',csvLine); | |
| } | |
| // PARSING HEADERS | |
| if(isHeaders){ | |
| headers = line.split(',') | |
| isHeaders = false; | |
| } | |
| }); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment