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It takes the file path of the input CSV files and the output csv files from the command line STDIN

Green Team answered on July 8, 2023 Popularity 1/10 Helpfulness 1/10

answer It takes the file path of the input CSV files and the output csv files from the command line STDIN

It takes the file path of the input CSV files and the output csv files from the command line STDIN

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import sys
import csv

def read_csv_file(file_path):
    with open(file_path, 'r') as csv_file:
        reader = csv.reader(csv_file)
        data = list(reader)
        last_column = [row[-1] for row in data]  # Extract last column values
    return last_column

# Check if correct number of arguments are provided
if len(sys.argv) < 5:
    print("Usage: python combine_csv_last_column.py file1.csv file2.csv file3.csv output.csv")
    sys.exit(1)

# Get the file paths from command line arguments
file1_path = sys.argv[1]
file2_path = sys.argv[2]
file3_path = sys.argv[3]
output_file_path = sys.argv[4]

# Read last columns from each file
last_column_file1 = read_csv_file(file1_path)
last_column_file2 = read_csv_file(file2_path)
last_column_file3 = read_csv_file(file3_path)

# Combine last columns from all files
combined_last_column = last_column_file1 + last_column_file2 + last_column_file3

# Write combined last column to the output file
with open(output_file_path, 'w', newline='') as csv_file:
    writer = csv.writer(csv_file)
    for value in combined_last_column:
        writer.writerow([value])

print("Combined last column has been written to", output_file_path)

Popularity 1/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: command-line csv file input output path python stdin

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Contributed on Jul 08 2023

Green Team

0 Answers Avg Quality 2/10

It takes the file path of the input CSV files and the output csv files from the command line STDIN

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