17 lines
691 B
JavaScript
17 lines
691 B
JavaScript
/* this script works in Node 0.12 (which predated ES6) so no modern syntax */
|
|
var XLSX = require("xlsx"), fs = require("fs"), stream = require("stream");
|
|
|
|
var wb = XLSX.readFile(process.argv[2]);
|
|
var ws = wb.Sheets[wb.SheetNames[0]];
|
|
|
|
/* this Transform stream converts JS objects to text */
|
|
var conv = new stream.Transform({writableObjectMode:true});
|
|
conv._transform = function(obj, e, cb){ cb(null, JSON.stringify(obj) + "\n"); };
|
|
|
|
/* to_json -> transformer -> standard output */
|
|
XLSX.stream.to_json(ws, {raw: true}).pipe(conv).pipe(process.stdout);
|
|
|
|
/* to_csv -> SheetJSNodeJStream.csv */
|
|
var ostream = fs.createWriteStream("SheetJSNodeJStream.csv");
|
|
XLSX.stream.to_csv(ws).pipe(ostream);
|