$ ls -R outputs all files and subdirectories in a recursive manner. True or false UNIX
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$ ls -R outputs all files and subdirectories in a recursive manner. True or false
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- In C++, Query the user for the name of a file. Read the words from the file and report the number of words whose last letter is 'a', the number whose last letter is 'b' and so on, irrespective of case.Language: Python Goal: implement decryption in the attached code block import argparse import os import time import sys import string # Handle command-line arguments parser = argparse.ArgumentParser() parser.add_argument("-d", "--decrypt", help='Decrypt a file', required=False) parser.add_argument("-e", "--encrypt", help='Encrypt a file', required=False) parser.add_argument("-o", "--outfile", help='Output file', required=False) args = parser.parse_args() encrypting = True try: ciphertext = open(args.decrypt, "rb").read() try: plaintext = open(args.encrypt, "rb").read() print("You can't specify both -e and -d") exit(1) except Exception: encrypting = False except Exception: try: plaintext = open(args.encrypt, "rb").read() except Exception: print("Input file error (did you specify -e or -d?)") exit(1) def lrot(n, d): return ((n << d) & 0xff) | (n >> (8 - d)) if encrypting: #…Write 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... ...
- Write 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... ... # Put your code here import os #module used to interact with operating system def displayFiles(pathname): #recursive function that takes a pathname as argument if (os.path.isdir(pathname)): #checks if specified path (argument) is an existing directory #for item in os.listdir(pathname): for content in os.listdir(pathname): #gets the list of all files and directories in the directory and…Problem 2 (Cipher module)• Create a Python file named cipher_module.py with functions to encode and decodestring inputs using the basic Caesar cipher (see here for more informationhttps://en.wikipedia.org/wiki/Caesar_cipher). This cipher is a basic encryptiontechnique that supports encoding and decoding operations on strings.• The encoding operation replaces each character in a string with another charactersome fixed number (shift) of positions down the ASCII table. The string can beencoded using any characters on the ASCII table and no need to use the circular list(where ‘Z’ is followed by ‘A’) image shown below. Your module must have a functionnamed encode() that takes a string and an integer shift (can be positive or negative)as parameters and returns the encoded string using the shift value. This module must Page 3 of 4also have a second function name decode() that takes an encoded string and aninteger shift as parameters and returns the decoded string. The decoding…SOLVE IN C# A bank store its client balance in amount.txt file as follow 332000 2320000 540000 45000 321000 Write a program to read the file and print the total amount store in amount.txt file, and then write this amount on screen and to a new file name backup.txt
- Solve the problem in C++ (Process scores in a text file) Suppose that a text file Exercise13_3.txt contains an unspecified number of scores. Write a program that reads the scores from the file and displays their total and average. Scores are separated by blanks.In C Language Not Like This #include void histogram(int counter[][1]) { int i,j,k; printf("\nHistogram of alphabets in the given file\n"); for(k=97,i=0;iTime remaining: 00:09:10 Computer Science this file is named HW3.Java can someone run it through a GNU compiler and please show me the outputs import java.io.FileWriter;import java.io.IOException;public class HW3 {public static void main(String[] args) throws IOException {// 0th argument contains the name of algorithmString algo = args[0];// 1st argument contains the name of file// Make a new fileFileWriter fw = new FileWriter(args[1]);if (algo.equals("p1")) {// 2nd argument comes in the form of string.// convert it to intger and run a loopfor (int i = 1; i <= Integer.parseInt(args[2]); i++) {double[] x = new double[(int) Math.pow(10, i)];// use start and end for recording timelong start = System.currentTimeMillis();prefixAverage1(x);long end = System.currentTimeMillis();double totalTime = Math.log10(end - start);fw.write(String.valueOf(totalTime));String newLine = System.getProperty("line.separator");fw.write(newLine);}} else if (algo.equals("p2")) {for (int i = 1; i <=…
- Question 9 sis please how do I search for a given set of string in a large text file ,replace it with another word and write my outputs into different text files in python. please I want a python code example for the above question. Please solve all parts and Full explain this question and text typing work only thanks.Can you convert this C++ code into C? #include<bits/stdc++.h> #include<fstream> using namespace std; struct produce{ string name; int item; }; struct costumer{ string name; produce order[n]; }; produce *readdata(string filename){ ifstream producefile; producefile.open(filename); produce * arr[10]; int i = 0; while(i < 10){ arr[i] -> name << producefile; arr[i] -> item = producefile; i++; } return arr; } ofsteam update(produce * arr){ ofstream updater; updater.open("update.txt"); for(int i = 0; i < 10; i++){ updater << arr[i] -> name << arr[i] -> item << endl; } return updater; } ofstream orderfile(string filename, produce *arr[10]){ ifstream costum; costum.open(filename); costumer list[10]; int i = 0; while(i < 10){ string line; getline(costum, line); list[i]->name = line; for(int j = 0; j < 3; j++){ list[i]->order[j]-> name << costum; list[i]->order[j]-> item << costum; } } ofstream orderset;…/* Filename: logserver.c *//*******************************************************************************************modify this program to log the message from clients to a log file. ******************************************************************************************/#include<stdio.h>#include<sys/ipc.h>#include<sys/shm.h>#include<sys/types.h>#include<string.h>#include<errno.h>#include<stdlib.h> #define BUF_SIZE 1024#define SHM_KEY 0x1234 struct shmseg {int cnt;int new;int complete;char buf[BUF_SIZE];}; int main(int argc, char *argv[]) {int shmid;struct shmseg *shmp;shmid = shmget(SHM_KEY, sizeof(struct shmseg), 0666|IPC_CREAT);if (shmid == -1) {perror("Shared memory");return 1;}// Attach to the segment to get a pointer to it.shmp = shmat(shmid, NULL, 0);if (shmp == (void *) -1) {perror("Shared memory attach");return 1;}/* Transfer blocks of data from shared memory to log file if the message from client set shmp->complete ==1, the we…