When a program works with an input file, a special value known as a(n) __________ is internally maintained for that file and marks the location of the next item that will be read from the file. a. input locator b. accumulator c. read position d. sequential read value
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When a
is internally maintained for that file and marks the location of the next item that will
be read from the file.
a. input locator
b. accumulator
c. read position
d. sequential read value
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- Write a script named copyFile.py. This script should prompt the user for the names of two text files. The contents of the first file should be input and written to the second file. An example of the program input is shown below: Enter the input file name: copyFrom.txt Enter the output file name: copyTo.txt Output: After running the program, a file named copyTo.txt will be outputted that contains the text from the copyFrom.txt file.File I/O CRUD OperationDemonstrate the Create, Read, Update, and Delete operation on a file Create a text file called input.txtHelper Code: File input = new File(“input.txt”); input.createFile(); Ask the user to give you a text.Helper Code:Scanner scanner = new Scanner(System.in);System.out.print("Enter some text: ");String text = input.nextLine(); Enter the text into the input fileHelper Code:FileWriter writer = new FileWriter("input.txt");writer.write(text);writer.close(); Read the content of the fileHelper Code:BufferedReader reader = new BufferedReader(new FileReader("input.txt"));String line = reader.readLine(); Get the update content from the userWrite the code that asks the user to enter the new updated content. Update file with the new contentWrite the code that over writes the content of the input.txtwith the new updated content. Copy the file to a new file called output.txtWrite the code that copies the input.txt file to anew file called output.txt.…C++ Add a search command that asks the user for a string and finds the first line that contains that string. The search starts at the first line currently displayed and stops at the end of the file. If the string is found, the line that contains it is displayed at the top. In case the user enters a string X that does not occur in the file, the program should print the error message: ERROR: string "X" was not found. Attached is the first lines of the .txt file
- A student wants to write into a file called myfile, without deleting its existing content. Which one of the following functions should he or she use? f = open('myfile', 'r') f = open('myfile', 'w+b') f = open('myfile', '+') f = open('myfile', 'a')C++ Add a search command that asks the user for a string and finds the first line that contains that string. The search starts at the first line currently displayed and stops at the end of the file. If the string is found, the line that contains it is displayed at the top. In case the user enters a string X that does not occur in the file, the program should print the error message: ERROR: string "X" was not found.Assume that a text file called myFile.txt contains a single line of text. Write a program that will make a copy of that file called copy.txt. c++
- Alert dont submit AI generated answer. Need some help Your task: Using Python Write a basic program that prompts the user for a filename. Then, create a file that generates ten random integers. The file that your program creates should be a .txt file and I should be able to run it on both a Mac and Windows operating system. Important: The numbers that are generated must be truly random (hint: built-in function)You have just started an internship with the Boone School District. You are working with the instructional support team to conduct analytical studies. Your assignment is to create a program that processes a file of test scores. After reading the file, the program must report the following:• The lowest score in the file• The highest score in the file• The mean and standard deviation of the scores• The median of the scores• The mode of the scoresConstruct a program that allows the users to enter the filename, reads the file containing the dataset and writes the report data specified above to the screen. Example output:Enter Filename: TestScores.txtThe highest score is 100The lowest score is 50The mean is 78.9The std dev is 7.3The median is 79.0The mode is 79To create a new file and return a stream that can be used to process the file, use the: a.Create method of class File b.CreateFile method of class File c.New method of class File d.NewFile method of class File
- A student launches the Python interpreter from his home directory. His home directory contains another directory called 'mydir', and 'mydir' contains two files called 'foo' and 'bar'. The home directory does not contain any files, only other directories. What will happen when he writes the following code at the Python prompt: >>> import os >>> filenames = os.listdir('mydir') >>> f= open(filenames[0]) ===================================================================================== A variable f representing a file object will be created, and the first file in the directory 'mydir' will be opened for writing in text mode. An error will be produced stating that the file to be opened does not exist. An error will be produced stating that filename is not subscriptable. A variable f representing a file object will be created, and the first file in the directory 'mydir' will be opened.Create a pyton file which will compute the mean upon opening a certain txt file named numbers.txt which has the set of number to compute. The Code should start like this: fileName = input("Enter the file name: ") # Input fileName f = open(fileName, 'r') # Open the file in read mode See the file below for your reference. ***numbers.txt*** 456622101588153190Creates a sales receipt, displays the receipt entries and totals, and saves the receipt entries to a file .Prompt the user to enter the - Item Name Item Quantity Item Price Display the item name, the quantity, and item price, and the extended price (Item Quantity multiplied by Item Price) after the entry is made Save the item name, quantity, item price, and extended price to a file When you create the file, prompt the user for the name they want to give the file Separate the items saved with commas Each entry should be on a separate line in the text file Ask the user if they have more items to enter Once the user has finished entering items Close the file with the items entered Display the sales total If the sales total is more than $100 Calculate and display a 10% discount Calculate and display the sales tax using 8% as the sales tax rate The sales tax should be calculated on the sales total after the discount Display the total for the sales receipt
