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