PHPExiftool\Reader::buildQuery PHP Method

    protected function buildQuery()
    {
        if (!$this->dirs && !$this->files) {
            throw new LogicException('You have not set any files or directory');
        }
        $command = '-n -q -b -X -charset UTF8';
        if ($this->recursive) {
            $command .= ' -r';
        }
        if (!empty($this->extensions)) {
            if (!$this->extensionsToggle) {
                $extensionPrefix = ' --ext';
            } else {
                $extensionPrefix = ' -ext';
            }
            foreach ($this->extensions as $extension) {
                $command .= $extensionPrefix . ' ' . escapeshellarg($extension);
            }
        }
        if (!$this->followSymLinks) {
            $command .= ' -i SYMLINKS';
        }
        if ($this->ignoreDotFile) {
            $command .= " -if '\$filename !~ /^\\./'";
        }
        foreach ($this->sort as $sort) {
            $command .= ' -fileOrder ' . $sort;
        }
        foreach ($this->computeExcludeDirs($this->excludeDirs, $this->dirs) as $excludedDir) {
            $command .= ' -i ' . escapeshellarg($excludedDir);
        }
        foreach ($this->dirs as $dir) {
            $command .= ' ' . escapeshellarg(realpath($dir));
        }
        foreach ($this->files as $file) {
            $command .= ' ' . escapeshellarg(realpath($file));
        }
        return $command;
    }