docs.sheetjs.com/docz/static/cli/sheet2csv.ts

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2023-04-14 08:13:40 +00:00
#!/usr/bin/env -S deno run --allow-read
/*! sheetjs (C) 2013-present SheetJS -- https://sheetjs.com */
// @deno-types="https://cdn.sheetjs.com/xlsx-latest/package/types/index.d.ts"
import * as XLSX from 'https://cdn.sheetjs.com/xlsx-latest/package/xlsx.mjs';
import * as cptable from 'https://cdn.sheetjs.com/xlsx-latest/package/dist/cpexcel.full.mjs';
XLSX.set_cptable(cptable);
/* Read and parse workbook */
const filename = Deno.args[0];
if(!filename) {
console.error("usage: sheet2csv <filename> [sheetname]");
Deno.exit(1);
}
const workbook = XLSX.readFile(filename);
/* Find worksheet */
const sheetname = Deno.args[1] || workbook.SheetNames[0];
if(!workbook.Sheets[sheetname]) {
console.error(`error: workbook missing sheet ${sheetname}`);
Deno.exit(1);
}
/* Generate CSV and print to stdout */
console.log(XLSX.utils.sheet_to_csv(workbook.Sheets[sheetname]));