sheetjs/bin/xlsx2csv.njs

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#!/usr/bin/env node
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/* xlsx.js (C) 2013 SheetJS -- http://sheetjs.com */
/* vim: set ts=2: */
var XLSX = require('../');
var fs = require('fs'), program = require('commander');
program
.version('0.3.1')
.usage('[options] <file> [sheetname]')
.option('-f, --file <file>', 'use specified workbook')
.option('-s, --sheet <sheet>', 'print specified sheet (default first sheet)')
.option('-l, --list-sheets', 'list sheet names and exit')
.option('-F, --formulae', 'print formulae')
.option('--dev', 'development mode')
.option('--read', 'read but do not print out contents')
.option('-q, --quiet', 'quiet mode')
.parse(process.argv);
var filename, sheetname = '';
if(program.args[0]) {
filename = program.args[0];
if(program.args[1]) sheetname = program.args[1];
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}
if(program.sheet) sheetname = program.sheet;
if(program.file) filename = program.file;
if(!filename) {
console.error("xlsx2csv: must specify a filename");
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process.exit(1);
}
if(!fs.existsSync(filename)) {
console.error("xlsx2csv: " + filename + ": No such file or directory");
process.exit(2);
}
if(program.dev) XLSX.verbose = 2;
var wb;
if(program.dev) wb = XLSX.readFile(filename);
else try {
wb = XLSX.readFile(filename);
} catch(e) {
var msg = (program.quiet) ? "" : "xlsx2csv: error parsing ";
msg += filename + ": " + e;
console.error(msg);
process.exit(3);
}
if(program.read) process.exit(0);
if(program.listSheets) {
console.log(wb.SheetNames.join("\n"));
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process.exit(0);
}
var target_sheet = sheetname || '';
if(target_sheet === '') target_sheet = wb.SheetNames[0];
var ws;
try {
ws = wb.Sheets[target_sheet];
if(!ws) throw "Sheet " + target_sheet + " cannot be found";
} catch(e) {
console.error("xlsx2csv: error parsing "+filename+" "+target_sheet+": " + e);
process.exit(4);
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}
if(!program.quiet) console.error(target_sheet);
if(program.formulae) console.log(XLSX.utils.get_formulae(ws).join("\n"));
else console.log(XLSX.utils.make_csv(ws));