Weather Data (Smart Airspace, 100p)

A pilot calls and complains that the weather is visibly different to what is noted in the report.
Without the correct data landing could be very difficult.
METAR is a format for reporting weather information.
A METAR weather report is predominantly used by aircraft pilots to assist in weather forecasting

During the ransomware attacks the METAR data was corrupted.
Data analysts discovered that the METAR file was split into two different files.
Every other row was moved to the second file.
Row 1 >> split1.csv
Row 2 >> split2.csv
Row 3 >> split1.csv
And so on...

Help the data analysts to combine the files back into one file
Answer is the md5sum of the combined file
split1.csv
split2.csv

---

solution

Solve the task with paste command.

# paste -d '\n' split1.csv split2.csv | grep . | md5sum
b6b66519836c741847ebc82f72ad45c6  -

Flag is b6b66519836c741847ebc82f72ad45c6.