Write a C/C++ program that get a .TXT or .CPP file name from user an
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- Write a C program that takes the name of a text file as a input, reads its contents, and then replaces all vowels in the file with the symbol "#". After that it should write back the modified content in the same file and display the message indicating that the file has been successfully modified.Write a function-based C++ program that reads words and numeric values from an input file. Your program should separate all words into a file named “words.txt” and numeric values into another file named “numeric.txt”.In C write a program that takes a file name and two strings as command line arguments, and writes the longer of the two strings to the file with the given name. If the given strings are the same length, write the first string given to the file. If the user does not provide the correct number of command line arguments, print an error message and exit the program with a non-zero exit code.
- 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.Write a complete C program that does the following:1) Read the data stored in the file "rec.txt" into an array of records containing the student ids and the student names.2) Sort the array of records following the students' names in alphabetical order and display the sorted names on the screen.3) Prompt the user to search for the student id by the student's name.Write a C++ program that reads data from a file containing integers that ends with -999 and Output the numbers that are divisible by 7.
- Write a C program that contains two functions: one that calculates the counts from standard input, and another that calculates the counts from a string. This file should counts the number of letters, digits, other characters, and total characters from the input.If the user does not provide any additional command line arguments, count the occurrences from standard input. If there is an additional command line argument, count the occurrences in the string provided on the command line.Write a function-based C++ program that reads a c-string from a file (input.txt) and an integer key from the console. Your program should encrypt the string by adding the key value to all its alphabets. Make sure that if adding the key value makes the alphabet go past the letter ‘Z’ or ‘z’, you must rollover and start over from ‘A’ or ‘a’ respectively. All other non-alphabetic characters should remain the same. Write the encrypted string into an output file (output.txt). Example 1: Input File Aliens on Earth! Enter a key: 1 Output File Bmjfot po Fbsui! Example 2: Input File Welcome to Xiwan restaurant XYZ. Enter a key: 5 Output File Bjqhtrj yt Cnbfsl wjxyfzwfsy CDE.Write a complete C++ program in one file which takes a double value from the user, cubes it, and prints the result. Your program must use a function which takes a parameter for the value to be cubed and returns the result by reference. The function may not print anything or read anything directly from the user (i.e. no cin/cout in the function). Hint: n cubed is defined as n*n*n.
- Write a C++ program that prompts the user to enter a file name that contains the scores of students in a quiz. Each line in the input file contains a student name followed by the student’s score (as shown in the sample file to the right). The program should then find out the students with the minimum score and the maximum score and display their names and scores. Marks.txt Ahmed 90 Badria 85 Noor 91 Khalid 70 Said 65 Suha 80Write a program in C to read an existing file. Test Data :Input the file name to be opened : test.txtWrite a C+ program to deal with a file named (student.txt) to write two lines on this file as following: "This is an Operating System Lab", “ Good luck everyone".