Menu/60_Utils/02_Bean/beans/shell/utils/log.bean

func append_log(format. char, ...) {
    import rt::c;
    define {
        filename = "bean.log";
    }
    var stream void = fopen(filename, "a");
    if stream ~= null {
        vfprintf(stream, format, va_start(format));
        fclose(stream);
    }
}