| # Import the csv and os modules | |
| import csv | |
| import os | |
| # Define the directory where the csv files are located | |
| directory = "." | |
| # Define a function to validate a csv file | |
| def validate_csv(file): | |
| # Open the file in read mode | |
| with open(file, "r", encoding="utf-8") as f: | |
| # Create a csv reader object | |
| reader = csv.reader(f) | |
| # Get the header row | |
| header = next(reader) | |
| # Check if the header has the expected number of columns | |
| if len(header) != 4: | |
| # Return False if not | |
| return False | |
| # Loop through the rest of the rows | |
| for row in reader: | |
| # Check if each row has the same number of columns as the header | |
| if len(row) != len(header): | |
| # Return False if not | |
| return False | |
| # Return True if no errors are found | |
| return True | |
| # Loop through each file in the directory | |
| for file in os.listdir(directory): | |
| # Check if the file is a csv file | |
| if file.endswith(".csv"): | |
| # Validate the csv file and print the result | |
| print(f"Validating {file}...") | |
| result = validate_csv(os.path.join(directory, file)) | |
| if result: | |
| print(f"{file} is valid.") | |
| else: | |
| print(f"{file} is invalid.") | |