CMD Challenge

https://cmdchallenge.com/

 _____ _____ ____     _____ _____ _____ __    __    _____ _____ _____ _____ 
|     |     |    \   |     |  |  |  _  |  |  |  |  |   __|   | |   __|   __|
|   --| | | |  |  |  |   --|     |     |  |__|  |__|   __| | | |  |  |   __|
|_____|_|_|_|____/   |_____|__|__|__|__|_____|_____|_____|_|___|_____|_____|

List of Challenges

  1. hello_world
  2. current_working_directory
  3. list_files
  4. print_file_contents
  5. last_lines
  6. create_file
  7. create_directory
  8. copy_file
  9. move_file
  10. create_symlink
  11. delete_files
  12. remove_files_with_extension
  13. find_string_in_a_file
  14. search_for_files_containing_string
  15. search_for_files_by_extension
  16. search_for_string_in_files_recursive
  17. extract_ip_addresses
  18. count_files
  19. simple_sort
  20. count_string_in_line
  21. split_on_a_char
  22. print_number_sequence
  23. replace_text_in_files
  24. sum_all_numbers
  25. just_the_files
  26. remove_extensions_from_files