Exercise 3: Add a new command call 'I' which will perform exact same as 'Is -a'. Exercise 4: Create a function call sortFile, which will sort all filenames of current directory.
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- Assume that there is a valid file cards.txt in the current directory which contains 10 valid int values, each on its own line. Write a function which reads all the values from the file and returns the maximum of the values. Your function must have the following signature: int cardsMax (); You do not need to demonstrate calling this function from main).● Exercise Exercise 3: Add a new command call 'I' which will perform exact same as 'Is -a'. ● • Exercise 4: Create a function call sortFile, which will sort all filenames of current directory.14. Implement the following function in the PyDev module functions.py and test it from a PyDev module named t14.py: Work with the words.txt file in this question. 123 45 2 4 5 6 7 8 9 10 11 12 13 14 def file_copy_n(fh_1, fh_2, n): 11 11 11 Copies n record from fh_1 (starting from the beginning of the file) to fh2 Use: file_copy_n(fh_1, fh_2, n) Parameters: fh_1 - file to search (file handle - already open for reading) fh_2 - file to search (file handle - already open for appending) n - number of lines to copy from fh_1 to fh_2 Returns: None || || || Note: In order to see a new file after it has been created in Eclipse, right-click on the project name and choose refresh. The new file will then show up in the Src folder list.
- Implement function duplicate() that takes as input a string and the name of a file in the current directory and returns True if the file contains duplicate words and False otherwise. Hints: remember to save the function and the text file in the same directory. def duplicate(filename): 'Put in docstring’ # get file content infile = ________________# ______________ content = ______________# ______________ infile__________________# ______________ # replace punctuation with blank spaces and obtain list of words table = ________________________ # _______________ words = _______________________ # _______________ # for every word, check if it occurs more than once; if so, return True for word in words: if ______________________ # _____________ _________________# _____________ # no word occurred more than once, so return False ______________ Result of running the function. >>> duplicate('Duplicates.txt') True >>> duplicate('NoDuplicate.txt') FalseUnix assignment Purpose: The purpose of this assignment is to use various concepts of the C Shell. 0. Change your default login shell to the C Shell. 1. Create a .cshrc file in your home directory that will do the following: * Create the alias (lsall) that will do all of the following: display the date, and a recursive long list of all files in a directory. * Create the alias (whoson) that will display the date and a sorted list of users logged in. * Declare the LOCAL variable that controls the size of your history list to the value 200. * Declare the shell variable that will cause the C Shell to send a message to your terminal whenever one of your background commands complete. 2. Create a .login file in your home directory to do the following. * Declare the GLOBAL Terminal Type variable to the value vt100. Display the value of the variable. Logout and log back in to make sure your .cshrc and .login files are automatically executed. Create a lab8.scr…In this laboratory work, you are expected to write a c# console application to make someoperations about the customers. Operations and required featurest that you need to cover inyour program are following:• Add: This function adds a new person to json file. You need to get inputs from userand adds the new one into json file.• Display: This function displays all people in your json file.• Search: This function let you search with the user id.• Create Password: This function will create a random password for the user and usermay choose the length of the password. Password may include numbers andcharacters.• Exceptions: You need to handle exceptions as well. You should at least handle 3 ofexceptional cases. For the case that file can not be found, It is mandatory to catch theexception.
- The Directory class has a list of names in it. You should use dynamic memory to create anarray upon instantiation. You should create a copy constructor for the directory class and anassignment operator (i.e. operator=()). You should create a function called fillDirectory whichaccepts a size for the directory and the names for it both of which should be given by the user.In main, create directory1 and fill it with information. Use the assignment operator=() to setdirectory2 equal to directory1. This is in c++The default library method int fseek(FILE *fp, long offset, int origin) is similar to Iseek except that the return value is an int status rather than a location, and fp is a file reference rather than a file descriptor. Compose fseek. Ensure that the caching used for the other library functions and your fseek are correctly coordinated.In python, rite a recursive function, displayFiles, that expects a pathname as an argument. The path name can be either the name of a file or the name of a directory. If the pathname refers to a file, its filepath is displayed, followed by its contents, like so: File name: file_path Lorem ipsum dolor sit amet, consectetur adipiscing elit... Otherwise, if the pathname refers to a directory, the function is applied to each name in the directory, like so: Directory name: directory_path File name: file_path1 Lorem ipsum dolor sit amet... File name: file_path2 Lorem ipsum dolor sit amet... ... Test this function in a new program.
- C++ Inside the following function declaration, make a method that creates a child process. The child process should create a directory named ‘new’ using the ‘mkdir’ command, and the parent process should wait for it to finish and then use the ‘ls’ command to list the folder that contains the new directory. Your solution can be no more than 16 lines long. Namespaces, blank lines, and the declaration written do not count towards this limit. You can also assume that any necessary components are included through the '#include' operand.2. Create a contacts module to meet the following requirements: i. Create a file named contacts.py. a. Define a class named Contacts. a. Define a member function named_init_ to meet the following requirements: a. Take a self as a positional parameter. b. Take a filename as a keyword parameter. c. Set a member variable equal to the filename. d. Set a member varialbe equal to an empty data dictionary. e. Open the filename and load the JSON decoded contents to the empty data dictionary. f. Cleanly manage the FileNotFoundError if the filename does not exist. b. Define a member function named add_contact to meet the following requirements: a. Take a self as a positional parameter. b. Take a id as a keyword parameter. c. Take a first_name as a keyword parameter. d. Take a last_name as a keyword parameter. e. If the id exists in the data dictionary, return the string error. f. Set the id:[first_name, last_name] key:value pair to the data dictionary. g. Sort the data dictionary in ascending…Examine the following three functions that take as argument a file name and return the extension of that file. For instance, if the file name is 'myfile.tar.gz' the returned value of the function should be 'gz'. If the file name has no extention, i.e. when the file name is just 'myfile', the function should return an empty string. def get_extension1(filename): return(filename.split(".")[-1]) def get_extension2(filename): import os.path return(os.path.splitext(filename)[1]) def get_extension3(filename): return filename[filename.rfind('.'):][1:] Which of the these functions are doing exactly what they are supposed to do according to the description above? get_extension3 only get_extension2 only None of them. get_extension1 only