15 16 void read_files(){ 17 18 string file_path = "/Users/aaronher/Desktop/Battle_Arena/Battle_Arena_Game/accounts/accounts/New_File"; 19 string line; ifstream myfile (file_path); if (myfile.is_open()) 20 21 22 while ( getline ( &: myfile, &: line) ) 23 24 { cout « line <« '\n'; 25 26 } 27 myfile.close(); 28 29 30 else cout << "Unable to open file"; 31
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I am confused as to how reading files work in C++, and would like to know what is a way to read and to also display files in C++?
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- A movie file has the following record structure:name ofthe movie producer director type productioncostAssume that the name of the movie is the primary key of the file. Thefield type refers to the type of the movie, for example, drama, sci-fi, horror, crimethriller, comedy and so forth. Input a sample set of records of your choice into themovie file.i) Implement a primary index-based ISAM file organization.ii) Implement secondary indexes on director, type and productioncost.close all; clear all; clc; current_script = mfilename('fullpath'); script_directory = fileparts(current_script);file_name0 = 'data_00.csv'; file_name1 = 'data_01.csv'; file_name2 = 'data_02.csv'; file_name3 = 'data_03.csv'; data0 = csvread([script_directory '\' file_name0]); data1 = csvread([script_directory '\' file_name1]); data2 = csvread([script_directory '\' file_name2]); data3 = csvread([script_directory '\' file_name3]); avg_data = (data1 + data2 + data3) / 3; figure; % plot (data0(:,1), data0(:,2), 'b-', 'LineWidth', 2, 'DisplayName', 'Parabolic Curve');hold on; % plot(avg_data(:, 1), avg_data(:, 2), 'k-', 'Linewidth', 1, 'DisplayName', 'Average Data Points'); plot(smooth_data(:, 1), smooth_data(:, 2), 'k-', 'Linewidth', 1, 'DisplayName', 'Smoothed Data'); scatter(data1(:,1), data1(:,2), 5, 'r', 'filled', 'DisplayName', 'Sample Data Points 1'); scatter(data2(:,1), data2(:,2), 5, 'g', 'filled', 'DisplayName', 'Sample Data Points 2'); scatter(data3(:,1), data3(:,2), 5, 'y',…istream member function__________ repositions the fileposition pointer in a file.
- A movie file has the following record structure: name of the movie producer director type production cost Assume that the name of the movie is the primary key of the file. The field type refers to the type of the movie, for example, drama, sci-fi, horror, crime thriller, comedy and so forth. Input a sample set of records of your choice into the movie file.i) Implement a primary index-based ISAM file organization.ii) Implement secondary indexes on director, type and production cost.iii) How could the secondary index-based file organization in Programming Assignment 3 (ii), be used to answer a query such as “Who are the directors who have directed films of the comedy or drama type, who have incurred the highest production cost?HMM Viterbi MLS Calcucation Write a program named hmm_viterbi that takes two command-line arguments: a model file name and a text file name that contains a single untagged sentence. This program should load the given model, then use the viterbi algorithm to find the most likely POS tag sequence for the given sentence.TRUE FALSE & is used to pass a parameter by value * is used as a reference operator * is called the dereference operator & in front of a variable identifier means memory address of this variable fstream.h must be included when reading and writing with files ios::app erases the old contents of a ! file when used
- T/F Q. By default if any regular file is created, the number of link is displayed as 1.java code Create a program that allows a user to input customer records (ID number, first name, last name, and balance owed) and save each record to a file.file_name = input("Enter the food web file name: ") raw_file = open(file_name) if raw_file: file_list = raw_file.read() print(file_list) FIX THIS PLEASE
- Attached File: a2provided: grades = [[71, 14, 41, 87, 49, 93],[66, 73, 54, 55, 94, 79],[20, 51, 77, 20, 86, 15],[79, 63, 72, 57, 63, 73],[30, 66, 78, 65, 41, 45],[11, 83, 51, 47, 68, 63],[99, 43, 85, 86, 24, 75],[67, 102, 11, 84, 64, 109],[16, 24, 101, 78, 55, 89],[100, 26, 37, 95, 106, 100],[55, 77, 30, 34, 28, 15],[87, 67, 13, 71, 67, 83],[95, 65, 94, 56, 15, 92],[102, 23, 36, 39, 60, 39],[90, 59, 96, 105, 83, 16],[101, 40, 17, 12, 44, 36],[39, 63, 96, 12, 65, 82],[95, 20, 105, 34, 69, 95],[95, 93, 75, 18, 105, 102],[35, 15, 82, 106, 73, 30],[80, 52, 67, 49, 11, 88],[86, 17, 44, 75, 78, 49],[22, 60, 74, 110, 92, 37],[13, 14, 15, 82, 75, 57],[71, 106, 15, 77, 30, 98],[43, 80, 76, 85, 102, 53],[26, 98, 60, 80, 104, 79],[12, 28, 40, 106, 88, 84],[82, 75, 101, 29, 51, 75],[20, 31, 84, 35, 19, 85],[84, 63, 56, 101, 83, 102],[25, 106, 36, 24, 61, 80],[86, 75, 89, 47, 28, 27],[38, 48, 22, 72, 53, 83],[70, 34, 46, 86, 32, 58],[83, 59, 38, 16, 94, 104],[62, 110, 13, 12, 13, 83],[90, 59, 55,…Task 2: Printing the time that the file path was created (50 points) The stat system call can access a file by name and retrieve file status information. It is given by: int stat (const char *pathname, struct stat *buf); This system call retums a stat structure (both the function and struct are called stat), which contains the following fields: struct stat { dev_t st_dev; /* ID of device containing file */ ino_t st_ino; /* inode number */ mode_t st_mode; /* protection */ nlink t st nlink; /* number of hard links */ uid t st uid; /* user ID of owner */ gid_t st gid; /* group ID of owner */ dev_t st_rdev; /* device ID (if special file) */ off t st size; * total size, in bytes */ blksize_t st_blksize; blocksize for file system IO */ blkent t st blocks; /* number of 512B blocks allocated */ time_t st_atime; /* time of last access */ time_t st_mtime; * time of last modification */ time_t st_ctime; /* time of last status change */ On success, zero is returned. On error, -1 is returned, and…C++ We want to build an address book that is capable of storing name, address & phone number ofa person. Address book provides functionality in the form of a menu. The feature list includes: • Add – to add a new person record• Delete – to delete an existing person record by name• Search – to search a person record by name .. Sort - to sort the file after adding a new person record. · Exit – to exit from application