How to use the cfb.read function in cfb
To help you get started, we’ve selected a few cfb examples, based on popular ways it is used in public projects.
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SheetJS / js-cfb / types / bin_cfb.ts View on Github 
const logit = (cmd: string, f: string) => { console.error(sprintf("%-6s %s", cmd, f)); };
if(program.args.length === 0) die(1, "must specify a filename");
if(program.create) {
logit("create", program.args[0]);
const newcfb = X.utils.cfb_new();
X.writeFile(newcfb, program.args[0]);
}
if(!fs.existsSync(program.args[0])) die(1, "must specify a filename");
const opts: X.CFB$ParsingOptions = {type:'file'};
if(program.dev) opts.WTF = true;
const cfb: X.CFB$Container = X.read(program.args[0], opts);
if(program.quiet) exit(0);
if(program.dump) {
console.log("Full Paths:");
console.log(cfb.FullPaths.map((x) => " " + x).join("\n"));
console.log("File Index:");
console.log(cfb.FileIndex);
exit(0);
}
if(program.repair) { X.writeFile(cfb, program.args[0]); exit(0); }
const fix_string = (x: string): string => x.replace(/[\u0000-\u001f]/, ($$) => sprintf("\\u%04X", $$.charCodeAt(0)));
const format_date = (date: Date): string => {
return sprintf("%02u-%02u-%02u %02u:%02u", date.getUTCMonth()+1, date.getUTCDate(), date.getUTCFullYear()%100, date.getUTCHours(), date.getUTCMinutes());
};
