return "", prompt_file

    if input.__contains__("show config"):
        prompt_file.show_config()
        return "config shown", prompt_file

    # multi turn/single turn commands
    if input.__contains__("multi-turn"):
        # start context
        if input.__contains__("start"):
            if config['multi_turn'] == 'off':
                prompt_file.start_multi_turn()
                return "multi turn mode on", prompt_file
            
            return "multi turn mode on", prompt_file
        
        # stop context
        if input.__contains__("stop"):
            prompt_file.stop_multi_turn()
            return "multi turn mode off", prompt_file
    
    # context file commands
    if input.__contains__("context"):
        if input.__contains__("default"):
            prompt_file.default_context()
            return "stopped context", prompt_file
        
        # show context <n>
        if input.__contains__("show"):
            print('\n')
            with open(prompt_file.file_name, 'r') as f:
                lines = f.readlines()
                lines = lines[6:] # skip headers
            
            line_numbers = 0
            if len(input.split()) > 3:
                line_numbers = int(input.split()[3])
            
            if line_numbers != 0:
                for line in lines[-line_numbers:]:
                    print('\n# '+line, end='')
            else:
                print('\n# '.join(lines))
            return "context shown", prompt_file
        
        # edit context
        if input.__contains__("view"):
            # open the prompt file in text editor
            if config['shell'] != 'powershell':
                os.system('open {}'.format(prompt_file.file_path))
            else:
                os.system('start {}'.format(prompt_file.file_path))
            return "context shown", prompt_file

        # save context <filename>
        if input.__contains__("save"):
            # save the current prompt file to