Last record from control file: 1768148127
Size of TMP4 file before the Timestamp extract: 1 /tmp/tmp.uUBDBCpCcQ
First 10 records of TMP4
{"Timestamp":1772335299,"Power":10794.000000,"TempSensor":15.187499}
Size of TMP1 file: 0 /tmp/tmp.xeP6IW0Nfn

Processing complete:
✓ Valid JSON rows: 0 (saved to /tmp/tmp.p8fYgjMjHh)
✗ Invalid rows: 0 (saved to invalid_rows.txt)
Empty so no processing required