工。 A function named pFile() is to receive a filenarme as a reference to an ilstream object. What declarations are required to pass a filename to plile()?
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Objective: We need to mention the declaration for the function pFile() having a parameter as a reference to the ifstream object.
Programming language: C++
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- Write a function that accepts names of two files: source and target as arguments and copies alternate characters from the source file to the target file. The function should return -1 if the source file does not exist.3. Write a function which reads an already existing file “File1.txt” and write digits (0-9) in to a new text file “mynumber.txt” and non digits into a file “Text.txt”.in c++Write a function to output patient information that are stored in a file. One of the parameters of the function must be no. of patients to output and another one the name of the file where the patients’ information is stored.
- When calling Function 3Fh, how is reading from a file different from reading from thekeyboard?Write a function called countWord(). It takes 2 parameters: The name of a text file(e.g. gettysburg.txt) and a word to be searched within that file. Your code should returnthe number of times the given word appears in the file.>>> countWord('gettysburg.txt', 'people')3Write a function void saveByDept(char *fileName, char *deptName , student allStudents[], int size) that will save the information of all students who belong to the department with name pointed to by deptNameinto a text file. The name of the file is given as an input parameter, fileName
- Write a function named file_sum that takes as a parameter the name of a text file that contains a list of numbers, one to a line, like this: 23.77 116 94 -12.8 0 14.999 The function should sum the values in the file and write the sum (just that number) to a text file named sum.txt.Question 55 Write a function that takes two parameters, a file name to create and an integer. The function should write all the even numbers between 0 and the integer to the file name passed in. The numbers should be all on one line of the file For example: write_evens("even_file.txt",20) This should create a file called even_file.txt that contains 0 2 4 6 8 10 12 14 16 18 20 Full explain this question and text typing work only thanksDo the following questions: a. Create a function that takes a source file name and destination file name as parameters and copies all the characters from the source file to the destination file except #. b. A list L1 = [10,3,44,52] has the following elements. Write a program that replaces all the number divisible by 3 with 'Yes' and not divisible by 3 by 'No'.
- Write a function sum_file(f) that takes a filename f. Each line in f contains asingle number. You should write to the last line in the file the sum of all thenumbers written in the file.Show an example call to the CreateFile function that will open an existing file for readingin this function is f a variable? in what other way can we write this function? why does mode not work in this function? def process_lines(filename, mode): # Actually this is function is used to read the file line by line with open(filename, 'r') as f: # file opened msg = f.read() # read the message return msg # return message def write_lines(lines): # function to write some into message with open('results.txt', 'w') as f: # open the text file f.writelines(lines) # write some line print("Output written to results.txt") # print the output what does os.path do?def check_file_exists(filename): # check weather this file is exist or not to avoid exception from os.path import exists # import library of exist file_exists = exists(filename) # if file exist return file_exists