import re

def insert_comma_after_url(file_path):
    # Regular expression pattern to match URLs
    url_pattern = re.compile(r'(https?://[^\s]+)')
    
    # Read the file with error handling for encoding issues
    with open(file_path, 'r', encoding='utf-8', errors='replace') as file:
        lines = file.readlines()
    
    # Process each line to insert a comma after the URL
    modified_lines = []
    for line in lines:
        modified_line = url_pattern.sub(r'\1,', line)
        modified_lines.append(modified_line)
    
    # Write the modified lines back to the file
    with open(file_path, 'w', encoding='utf-8') as file:
        file.writelines(modified_lines)

# Example usage
file_path = '/data/users/mgaughan/kkex/012825_cam_revision_main/12825_output_files/new_1750_3250-clone-error-output.txt'
insert_comma_after_url(file_path)