function processEncodingOptions(info) {
    return getEncoding(info.rawTable).then(function(encoding) {
        info.inputEncodingDetected = encoding;
        if(! info.opts.inputEncoding) { info.opts.inputEncoding = info.inputEncodingDetected; }
        if(! info.opts.outputEncoding) { info.opts.outputEncoding = info.inputEncodingDetected; }