Write C statements which tests to see if file has opened the data file successfully. If not, print an error message and exit the program.
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A: No, there will be no syntax mistake before you run this program.
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- Write C statements which tests to see if file has opened the data file successfully. If not, print an error message and exit the program. NOTE:Your source code must display any of the given sample output below.It means your source code should be flexible enough to meet any of the given sample output.Your source code output must be identical to any of the given sample output.It means you have to strictly follow what are the displayed text, labels, casing of characters in the sample output.Strictly follow the naming of file. Sample OUTPUT1: Enter File Name: file1.txt The file can’t be open. File does not exists. Sample OUTPUT2: Enter File Name: file2.txt The file has been opened successfully.Hi, in C programming , I try to implement 2 functions to check those followings instructions in a file text : The first function :Find the number of words with duplicates on a file The second function: • Find the most frequent letter (without considering duplicates) Finally write those results on another file. ThanksQ2:write a program in C++ called “count” that lets the user retrieve a word count or a letter count of a file that is passed as a command line argument. The user enters a flag (-l or -w) to indicate if they want a letter count (-l) or word count (-w). See the figure below for an example of the program’s output. You must use a switch statement to handle the options. You should also have at least three functions: one to print the usage, one to handle the word count, and one to handle the letter count. The program must be executed from a command line environment.
- Write C statements which tests to see if input_file has opened the data file successfully. If not, print an error message and exit the program.IN C++ The text file is the 5 lines below 1 1 1 1.2 -2.3 0.4 -2 -3 -4 +0 -2 8.85 2.345 Write a function to read one set of values from the file. Use reference parameters (NOT anarray!) to get the values out of the function and the function’s return value to indicate whether ornot the function was able to correctly read three values. Return the 'stop' code on end-of-filebefore reading the third value. The only data error you must deal with here is too few values onthe line, e.g., the line has a and b values only but no c value. You may assume that the last linein the file is the only one with an error (if any error exists), and your function should return acode to make the program stop processing after this error. This restriction allows you to usestream extraction to read the file, rather than reading lines and parsing them yourself. Thisfunction MAY NOT try to read all the lines in the file, just read one line per call to the function.use c code to Write a C program that gets a source file name from a user. If the file does not exist, it will generate a proper error and exits.If the file exists, it also gets the name of two files from the user, say destination1 and destination2. These files don’t need to exist as they are files that need to be written to. The program then reads the source file line by line. If the line starts with an uppercase and ends with a lower case, it copies that line to dest1 (first destination file) If the line starts with a lowercase and ends with a dot (‘.’), it copies that line to dest2 (second destination file) If neither of the above hold, the program discards that line (doesn’t copy it anywhere) The program then displays a report mentioning how many lines were copied into each destination file. Don’t forget to close all the files. Example: Assume that the source file is (<NL> = new line, <EOF> end of file): Souce: “myfile.txt” This is my first…
- (Data processing) Write a C++ program that allows the user to enter the following information from the keyboard for each student in a class (up to 20 students): Name Exam 1 Grade Exam 2 Grade Homework Grade Final Exam Grade For each student, your program should first calculate a final grade, using this formula: FinalGrade=0.20Exam1+0.20Exam2+0.35Homework+0.25FinalExam Then assign a letter grade on the basis of 90100=A,8089=B,7079=C,6069=D, and less than 60=F . All the information, including the final grade and the letter grade, should then be displayed and written to a file.Question B. Write a C++ program that reads the marks of a group of students from a text file "grades.txt" and computes the average of all grades. The program must check the file for any opening problems, and then proceeds to do the other tasks. The input file can have 1 or more students. The text file and sample-output are shown as below: O grades - Notepad File Edit Format View Help 60.0 78.6 78.0 98.6 77.7 55.0 73.0 80.7 80.0 85.0 Windows (CF Ln 13, Col 1 100% CAUsers\Imran\Desktop\Lab111\Debug\Lab111.exe Average of 10 students is 77 Press any key to continue... Activa Coto sThe following question is related to C programming system call Task-1: Write a c program that will open a file given from the command line argument and then it will ask the user to input strings that will be written to that file. It will continue to ask the user to enter a string as long as the user enters “-1”. If the given file does not exist in the directory, then your program will automatically create the file.
- PROBLEM 3 Using python, write a function named display_elist() that reads data from the data structures generated by the read_file() function and prints the e-list to the terminal according to the following format. Here is the e-list for Mart 007 ------------------ Welcome ------------------ ============================================= Please select the item you want to buy from the following menu: 1. Spiked Umbrella ($7.25 each), 5 available 2. Voice Changer ($5.5 each), 10 available 3. Spy Camera ($15.0 each), 8 available Press 4 when you are done! =============================================Consider a file named transaction.txt which contains unknown number of lines. Each line contains data of one transaction as follows: username (string), amount (float), and membership number (int). Write a C++ program that reads the data from the file, then displays on screen the number of users, the total amount, the average of amounts, the lowest amount and the highest amount. Reading from the file should stop when one or more of the conditions given below becomes true:(a) The end of file has been reached. (b) The “user999” is reached.transaction.txtHassan 12.5 12345 Mariam 5.2 87542 Zahra 33.1 93568 :::: ::Sample Screen OutputNumber of users: 54 Transactions total amount: 2658.7 The average of amounts: 120 The highest amount: 280 The lowest amount: 5.2Write a C function readFile() that will open the StudentInfo.txt file created in last question and then print three students information in console output according to the following order: third student from the beginning of the file, the last student and the second last student. Use fseek () function to do the job.
