let log_file_exists = std::path::Path::new(LOGFILENAME).exists();
let logfile = std::fs::OpenOptions::new()
.create_new(!log_file_exists)
.append(true)
.open(LOGFILENAME)
.expect("Coudln't open log file");
let log_file_exists = std::path::Path::new(LOGFILENAME).exists();
let logfile = std::fs::OpenOptions::new()
.create_new(!log_file_exists)
.append(true)
.open(LOGFILENAME)
.expect("Coudln't open log file");