parse.py

import subprocess  # Importing the subprocess module to run external shell commands
import sys  # Importing the sys module to access command-line arguments and system functions
# Ensure exactly one argument is passed to the script (the input file)
if len(sys.argv) != 2:
    # Display correct usage information
    print("Usage: python parse.py <input_file>")
    sys.exit(1)  # Exit the script with an error code
try:
    # Get the file name from the command-line argument
    file_name = sys.argv[1]
    # Execute a shell script ("parse.sh") with the file name as an argument
    # Check if the script runs successfully
    if subprocess.check_output(["bash", "parse.sh", file_name]):
        # If the script runs successfully, generate a new file name with "_awk" appended
        new_file_name = file_name+"_awk"
        # Open the new file and read its content
        with open(new_file_name, 'r') as file:
            filedata = file.read()
        # Remove a specific keyword ('PRION:') from the file content
        filedata = filedata.replace('PRION:', '')
        # Write the modified content back to the same file
        with open(new_file_name, 'w') as file:
            file.write(filedata)  # Save the updated content
        # Indicate that the operation was successful
        print("The file was successfully parsed")
except Exception as e:
    # If an error occurs during the try block, catch the exception and display the error message
    print(e)  # Print the exception message to understand what went wrong