sheetjs/bin/xlsx2csv.njs

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#!/usr/bin/env node
/* xlsx.js (C) 2013-2014 SheetJS -- http://sheetjs.com */
var n = "xlsx";
/* vim: set ts=2 ft=javascript: */
var X = require('../');
var fs = require('fs'), program = require('commander');
program
.version(X.version)
.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('-S, --formulae', 'print formulae')
.option('-j, --json', 'emit formatted JSON rather than CSV (all fields text)')
.option('-J, --raw-js', 'emit raw JS object rather than CSV (raw numbers)')
.option('-F, --field-sep <sep>', 'CSV field separator', ",")
.option('-R, --row-sep <sep>', 'CSV row separator', "\n")
.option('-n, --sheet-rows <num>', 'Number of rows to process (0=all rows)')
.option('--dev', 'development mode')
.option('--read', 'read but do not print out contents')
.option('-q, --quiet', 'quiet mode');
program.on('--help', function() {
console.log(' Support email: dev@sheetjs.com');
console.log(' Web Demo: http://oss.sheetjs.com/js-'+n+'/');
});
program.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(n + "2csv: must specify a filename");
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process.exit(1);
}
if(!fs.existsSync(filename)) {
console.error(n + "2csv: " + filename + ": No such file or directory");
process.exit(2);
}
var opts = {}, wb;
if(program.listSheets) opts.bookSheets = true;
if(program.sheetRows) opts.sheetRows = program.sheetRows;
if(program.dev) {
X.verbose = 2;
opts.WTF = true;
wb = X.readFile(filename, opts);
}
else try {
wb = X.readFile(filename, opts);
} catch(e) {
var msg = (program.quiet) ? "" : n + "2csv: 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(n + "2csv: 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(X.utils.get_formulae(ws).join("\n"));
else if(program.json) console.log(JSON.stringify(X.utils.sheet_to_row_object_array(ws)));
else if(program.rawJs) console.log(JSON.stringify(X.utils.sheet_to_row_object_array(ws,{raw:true})));
else console.log(X.utils.make_csv(ws, {FS:program.fieldSep, RS:program.rowSep}));