2023-03-17 08:33:38 { "input": "A python3 script that can accept input either via stdin, a file, or commandline arguments, and simply logs the content of this input to a file with metadata such as current date:" } You can use the following Python script to accept input from stdin, a file, or command-line arguments and log the content with metadata such as the current date: ```python import sys import argparse from datetime import datetime def log_input(input_data, log_file): current_time = datetime.now().strftime("%Y-%m-%d %H:%M:%S") with open(log_file, "a") as f: f.write(f"{current_time}: {input_data}\n") def main(): parser = argparse.ArgumentParser(description="Log input data with metadata") parser.add_argument("-f", "--file", help="Input file to read data from") parser.add_argument("-o", "--output", default="log.txt", help="Output log file") parser.add_argument("input_data", nargs="*", help="Input data as command-line arguments") args = parser.parse_args() if args.file: with open(args.file, "r") as f: input_data = f.read() log_input(input_data, args.output) elif args.input_data: input_data = " ".join(args.input_data) log_input(input_data, args.output) else: input_data = sys.stdin.read() log_input(input_data, args.output) if __name__ == "__main__": main() ``` To use the script, save it as `log_input.py` and run it with the desired input method: - To log input from stdin, run `python3 log_input.py` and type your input, then press Ctrl+D to end the input. - To log input from a file, run `python3 log_input.py -f input.txt`. - To log input from command-line arguments, run `python3 log_input.py arg1 arg2 arg3`. By default, the script logs the input to a file named `log.txt`. You can change the output file by using the `-o` or `--output` option, followed by the desired output file name. For example, `python3 log_input.py -o my_log.txt arg1 arg2 arg3`. 39179 ms