f = open(r'D:\F\NewI\opencode\daily-workspace\temp\cli_run_log.txt', 'rb')
data = f.read()
f.close()

print('Total bytes:', len(data))
print('First 300 hex:', data[:300].hex())
print()
print('UTF-8 decode of first 300:')
print(data[:300].decode('utf-8', 'replace'))