Function existFile

src/openpose/utilities/fileSystem.cpp:132–149

    }

    bool existFile(const std::string& filePath)
    {
        try
        {
            if (auto* file = fopen(filePath.c_str(), "r"))
            {
                fclose(file);
                return true;
            }
            else
                return false;
        }
        catch (const std::exception& e)
        {
            error(e.what(), __LINE__, __FUNCTION__, __FILE__);
            return false;
        }
    }

    std::string formatAsDirectory(const std::string& directoryPathString)
    {