ifstream inFile("inventory.dat"); Can I understand this code creat a file named inventory and open (or write) something in the file?
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I am learning c++, and I kind of confused about file stream. Like this code:
ifstream inFile("inventory.dat");
Can I understand this code creat a file named inventory and open (or write) something in the file?
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- Write a C++ program that reads lines from a file until the end of file. The program should prompt the user for the file name to read from. The program should open the file for reading, and if the file cannot be opened, print the message “File couldn’t be opened”, followed by a space and the filename, and exit. The program should keep track of the number of lines, the number of non-blank lines, the number of words, and the number of integers read from the file.Write a code in c++ to open a file called romania.txt for appending, only for a relevant code. You may assign any file objectWrite a C++ program that opens three files (i.e. s1.txt, s2.txt, and s3.txt) and reads the data of three students. Each file contains the student first name and last name separated by a space and the student grades in three subjects as double floating-point numbers on the next line. The program should output the data in table format such that the data of each student is displayed on one line. The data of the students is ordered in the table alphabatically according to their names. The last column in the table contains the average grade of each student. The last row in the table contains the maximum grade in each subject. Notice that the width of the first column in the table is 20 and its is aligned to the left. All remaining columns have width of 7 and their data is aligned to the right. Also Notice, that all the numbers in the table must be displayed with exactly two decimal digits. IMPORTANT NOTES . Do not add any cout statements except for the final outputs as shown in the sample…
- In C++, add movies and prices to an existing text file using STL iterators, containers , or algorithms. movies.txt with all possible movies that goes with the program above: The Adventures of a Babysitter $10 Barney $25 Larry the Car Man $15 Dora and the missing map $15 Ceasar and the Lunch Lady $10 Suzie and the Bad Kids $13.95 Please add it on in the existing file and not erase the existing data from the fileWrite a program using C++ that allows you to write stats of a monster and save it to a file. Make sure the stats are in a structure. This program also allows you to open the file and read the stats of the monster. (Print what was read onto the screen -- put the values into a structure. If you put the info into the file via binary, you will need to read it via binary too.) Use the error stream (either cerr, clog, or stderr) to print out errors if the files do not open.Computer Science In C++ can someone make a code where it reads a txt file and displays the text file that has pending shipping orders. I would also like the code to be able to modify the text file in terms of canceling shipping orders or view shipping orders.
- Implement in C Programming 9.6.1: LAB: File name change A photographer is organizing a photo collection about the national parks in the US and would like to annotate the information about each of the photos into a separate set of files. Write a program that reads the name of a text file containing a list of photo file names. The program then reads the photo file names from the text file, replaces the "_photo.jpg" portion of the file names with "_info.txt", and outputs the modified file names. Assume the unchanged portion of the photo file names contains only letters and numbers, and the text file stores one photo file name per line. If the text file is empty, the program produces no output. Assume also the maximum number of characters of all file names is 100. Ex: If the input of the program is: ParkPhotos.txt and the contents of ParkPhotos.txt are: Acadia2003_photo.jpg AmericanSamoa1989_photo.jpg BlackCanyonoftheGunnison1983_photo.jpg CarlsbadCaverns2010_photo.jpg…Write a program in c++ that includes the following topics together with an explanation of each step.The topics are: VectorTemplate File StreamFriend function and Friend classIn 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 program in C++ that reads a list of enrollments from a file and prints a class roster for the teacher. The program would use files, functions, and classes.Here's what the output should look like: $ ./enroll.out Welcome to the Roster Generator Program!!! Please enter the name of your names file: bob.dat I'm sorry, I could not open 'bob.dat'. Please enter another name: csc442 File 'csc442' opened successfully! Name | Major | Phone # | Town ----------------+--------------------+---------------+------------------- Jason James | Computer Science | 555/555-1122 | Westfalia, HI 665 Faruk Ahmed | Medeaval French Po | 332-4546 | Slimsville, PQ 22 Sean Ramirez | Underwater Basket | 1-444/411-441 | Fritter, HO 44331 Happy Gilmore | Yellow Tail Migrat | | Simonton, SZ 1124 Total Enrollment: 4 Thank you for using the RGP!! Endeavor to have a gyroscopic day! $I am learning C++ and having difficulties understanding the concepts from my reading. A project that is supposed to help me learn deconstructors and constructors has me confused. There are 3 different programs that are supposed to be used together. I am newer to the concept of adding .h to the end of a c++ file. The main.cpp file is empty. In the file swimmingPool.h this code is provide already: const double GALLONS_IN_A_CUBIC_FEET = 7.48; class sPool { public: void set(double l = 0, double w = 0, double d = 0, double fi = 0, double fo = 0, double wInPool = 0); void setLength(double l); void setWidth(double w); void setDepth(double d); void setWaterFlowRateIn(double fi); void setWaterFlowRateOut(double fo); void addWater(double time, double fillRate); void drainWater(double time, double drainRate); double poolTotalWaterCapacity(); double getLength(); double getWidth(); double getDepth(); double…Write a C++ program which takes 5 students’ information (records) as inputs from the user and save them on a file. you are required to take three inputs from the user: student name (string type), student age (int type) and student registration no(string type). After reading these data-items write to the file named “student.txt”. Please note: write data using append mode otherwise previous information will be lost.