slopper

ts.py

import argparse
import pandas as pd

def main():
    parser = argparse.ArgumentParser(description="Print earliest and latest timestamps in a CSV file.")
    parser.add_argument("csv_file", help="Path to the input CSV file")
    args = parser.parse_args()

    df = pd.read_csv(args.csv_file, parse_dates=["timestamp"])
    min_ts = df["timestamp"].min()
    max_ts = df["timestamp"].max()

    print(f"Earliest timestamp: {min_ts}")
    print(f"Latest timestamp:   {max_ts}")

if __name__ == "__main__":
    main()