import os, argparse, re


def solve_task(lines):
    current_path = "/"
    file_system = FolderNode()
    for line in lines:
        m = re.match("$ cd (.+)", line)
        if (m):
            # cd command
            continue
        
        m = re.match("(\d+) (.+)", line)
        if (m):
            # file entry
            continue

class Node:
    def __init__(self, parent):
        if parent:
            self.parent = parent
        else:
            self.parent = self

class FileNode(Node):
    def __init__(self, parent):
        super().__init__(parent)

class FolderNode(Node):
    def __init__(self, parent = None):
        super().__init__(parent)
        self.children = []

    def add(self, file, destinationFolder):
        destinationFolder.split('/', 1)
        pass

def read_lines(filename):
    lines = []
    with open(filename) as infile:
        for raw_line in infile:
            line = raw_line.rstrip()
            lines.append(line)
    return lines

def parse_arguments():
    parser = argparse.ArgumentParser(description="Script that solves the case",epilog="Have a nice day!")
    parser.add_argument('filename', nargs='?', default="example.txt", help='Input file')
    args = parser.parse_args()
    return args

def main():
    args = parse_arguments()
    lines = read_lines(args.filename)
    solve_task(lines)

if __name__ == "__main__":
    main()