10. The write permission for a directory determines that a) we can write to a directory file b) we can read the directory file c) we can execute the directory file d) we can add or remove files to it
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- There may be times when a file's directory entry does not include a reference to the file's data blocks. What's the problem?PERL: Write a program that prints all of the files that end with .pl in a directory. Then test this program on the directory that contains all your Perl codeexampleOne This program reads data from a physical file, create a reference to the file, perform a computation, display the result, close the file. package chario; import java.util.Scanner; import java.io.*; //public class Chario { // public static void main(String[] args) throws IOException { File file1 = new File("fileOne.txt"); //Create a reference to the physical file /* Use Notepad to create a text file named fileOne.txt which must be in the same directory that src is in To find src, open your project in NetBeans and hover its name, which is in the top left just below the Projects menu; this will display the path to your project My project path is, yours will be different I:\\Ajava\161\WPPractice\IO\charstream\chario My fileOne.txt is located in chario */ Scanner getit = new Scanner( file1 ); // connect a Scanner to the file int num, square; num = getit.nextInt(); square = num * num ; System.out.println("The square of " + num + " is " + square); getit.close(); //Close the stream…
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- program two applications that will work together to perform reduction on multiple files. Reduction operation is summing the contents of the file. You may assume files contain a number on each line and there are no more than 100000 numbers in the file. The first program should get a directory name as argument. Then it should obtain the list of files in the directory either by using ls program and pipes or by using readdir system call. This program then should fork and execute the second program, passing the folder name and the filename. The second program should get the name of directory and the filename. Then it should read the file into an array. The reduction operation should be done using multiple threads. To get full points, you must write your program in a way that will actually perform operation in parallel. If necessary use mutexes, but it is possible to the task without them. Print out the summation. Finally, write a document that will explain your code. It should also have a…sd1, a subdirectory of the current directory, has a file called thefile. Move the file to another (already existing) subdirectory of the current directory called sd2 (keeping the same file name).using c++ and use pointer and char(don't use string): Write a class date (d, m, y), class file (name, size, creation_date) and class directory (name, directory_creation_date, array[files])Write the constuctors, destructors, set, get methods for each classCreate a directory object and fill it with its required data Find the size of the created directory object.
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