What happens if ios::out is used by itself to open an existing file?

Q: a. How will we write H2O. b. How to save the already saved file with diiferent names in same place.

A: Lets see the solution.

Q: Suppose you wish to create a new file named NewFile.txt and write data to it. Writethe statements…

A: Text File is:

Q: Write a program that reads a file, one character at a time, and prints out how many uppercase…

A: Python program to solve the given problem is below.

Q: Write a program that asks the user for the name of a file and a string to search for. The program…

A: Program Approach - Use the essential header files as per code requirements. Define the function…

Q: When an existing file is opened, the ___________ mode erases the contents of the file.a. ‘r’b. ‘w’c.…

A: Answer: When you open a file that file already exists on the disk using the 'w' mode, the contents…

Q: Does the class FileOutputStream have a constructor that accepts a filename as an argument?

A: Does the class FileOutputStream have a constructor that accepts a filename as an argument?

Q: Suppose you have an open file object called infile. Which of the following C++ statements will close…

A: Answer is option D infile.close();

Q: What happens if ios::out is used by itself to open a file that does not exist?

A: File is defined as a collection of data stored in one unit, identified by a filename. It can be a…

Q: A file called empnames contains many employee names, with exactly one name on each line. What…

A: In Linux operating system, vi command is the most commonly used command to create a text file. The…

Q: What happens if you try to open a file for reading that doesn't exist? Select one: O A run-time…

A: In Python, to open a file we use open() method  Syntax: file_object = open ("file_name.txt", mode)…

Q: What will be the value of Y after the execution of the following code: x -0: while( X 3 ) { Y += X ;…

A: The given code is: X = 0;  Y= 0; while ( X < 3 ) {     Y += X;     X++; }

Q: 2) Write a program which takes two points from a file and prints the distance between them to…

A: Actually, program is a executable software that runs o a computer.

Q: Q2) Write m-file which is used to calculate falf(x) dx and f(x) ? for any values dn Of a,b,n and…

A: Code: syms x str=input('Enter f(x): ','s'); f=str2sym(str); a=input('Enter a: ');…

Q: contents

A: The ask is to write a program which would do the following:   a) Read the contents of a file and…

Q: The command which transcribes the standard input to the standard output and also makes a copy of the…

A: There is only one command that transcribes the standard input to the standard output and also makes…

Q: The inode number of a file uniquely identifies that file. In this light, is the following claim…

A: Inode number in Linux

Q: Write a simplem file to display the length and size of B? B= [ones(1,3), [2:2:10], zeros(1,3)]

A: length will find the number of elements in array whereas size will give us the number of rows and…

Q: This assignment involves writing a program that takes reads from a text file containing multiple…

A: 1. Open the file 2. loop through each line of file       i. split the file into array using…

Q: you print the contents of a file to the screen like this: - open( 'sonefile.txt', 'r') or line in f:…

A: Lets see the solution.

Q: Write a code to check whether the entered number is a perfect number Or not. Attach the output file…

A: Given: Program to check whether the entered number is a perfect number Or not Program Plan: Include…

Q: The 'a' mode appends new data to the end of an existing file. But if the file is nonexistent, it…

A: GIVEN: The 'a' mode appends new data to the end of an existing file. But if the file is…

Q: List the functions used to OPEN a file, Write/print to a file (in append mode), and CLOSE a file.

A: Using the constructor of a Stream class – ifstream f("file.txt", ios::app);   Using the open…

Q: try: f-open("demofile.txt", "r" ) f.write("Lorum Ipsum") except: print("Something went wrong when…

A: Here the given file demofile.txt cannot be opened and is not writable. It is read only file. Hence…

Q: To open new m file, we push the keys .... from the keyboard Ctrl+o O Ctrl+s Ctrl+n O Ctrl+p O

A: The answer is

Q: Suppose a file named Exercise13_15.dat has been created from the preceding exercise. Write a program…

A: #include <iostream>#include <fstream> using namespace std;int main() {    ifstream…

Q: The following command is :10 used to import data from .external file input O load O xlswrite O save

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining…

Q: Write a Program that converts a binary file to text file

A: The program is given below:-

Q: getc() returns EOF when O the end of the file is reached when getc () fails to read a character both…

A: get()detects EOF when there is nothing to read. In GDB breakpoints can be set to any line or any…

Q: Show an example call to the CreateFile function that will open an existing file for reading

A: CreateFile function CreateFile function in C++ allows the programmer to open an existing file, or…

Q: What is the values in x after running the following code segment? my file = open ('test.txt') x = 0…

A: According to the information given:- We have to find out the value of x after running the program.

Q: Which file open flag causes the contents of an existing file to be discarded and the file size reduced…

A: Given: Which file open flag causes the contents of an existing file to be discarded and the file size…

Q: In FAT32, the file extension tells the user about the type of the file. Select one: O True O False

A: Explanation: In fat32, by looking at the file extension user can tell what kind of file it it. for…

Q: When we use NUL> to create a file (e.g. NUL > file1.txt), there is no data (value) in the file1.txt…

A: In Windows command-line interface, the NUL command is used to create the file with the empty data.…

Q: Which method can be used to write data into a text file? A.close B.print…

A: Which method can be used to write data into a text file?                        A.close B.print…

Q: 14:\We can delete a file shorteut and a file by deleting the shorteut? a. True b. False

A: GIVEN:

Q: Can you load the contents of a file into memory without doing any explicit copying?

A: Here have to determine about load the contents of a file into memory without doing any explicit copy…

Q: .. P10.8 Write a program that replaces each line of a file with its reverse. For example, if you run

A: Objective: This program reads a file and replaces all file content in reverse (line by line). If the…

Q: Suppose a file “ABC.txt” contains three integers separated by commas. Write a program that use the…

A: Note: Since no programming language is mentioned. I am attempting this in python. if you need it in…

Q: Write a program that writes a series of random numbers to a file. Each random number should be in…

A: Introduction Random numbers are those which are generated randomly within some range. random module…

Q: Read a source file name (text file) from the user (e.g, myprog.cpp) and produce a copy of the same.…

A: Use ifstream to open file in read mode

Q: one line of code that reads a full line

A: fscanf function fscanf() is the built-in function used in C/C++ that reads formatted input (or set…

Q: If a file already exists what happens to it if you try to open it as an output file (using the 'w'…

A: The process of writing to a file is very similar to the process of reading from a file, in that both…

Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.