Suppose you have just opened the file test.txt and the following variables have been declared. char name[31]; int score; File test.txt consists of the following content: Mary 89 Mike 75 John 84 What statement will read the name and score in a line from the file? fscanf(pFile, "%s %d", name, &score); fscanf(pFile, "%s %d", &name, &score); fscanf(pFile, "%d %d", &n ne, &score); fscanf(pFile, "%d %d", name, &score);
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- Assume that infile has been properly defined to read data from a file and that a file of integers has been properly opened. If you don't know how many integers are in the file, which loop(s) would be appropriate to read in all the values from the file? Variable n has been defined as an int. 1. while(! infile.eof()) 2. for(int x = 0; x < 1000000; x++) 3. while(infile >> n) Answers: A. Both 2 and 3 B. 1, 2, and 3 C. Both 1 and 2 D. Both 1 and 3 E. 3 only(Practice) a. Write a set of two statements declaring the following objects as ifstream objects, and then opening them as text input files: inData.txt, prices.txt, coupons.dat, and exper.dat. b. Rewrite the two statements for Exercise 2a, using a single statement.Hello, I got this error message for the following program: "Error! opening file" QUESTION: There are two files, f1 and f2, each containing a single integer. Write the statements needed to assign the larger of these two values to an int variable fmax. Declare any other variables you need. Test your code with some external files, f1 and f2. PROGRAM: #include <stdio.h> #include <stdlib.h> int main() { int firstNum,secondNum; FILE *file1,*file2; int fmax; if ((file1 = fopen("input.txt","r")) == NULL) { printf("Error! opening file"); exit(1); } if ((file2 = fopen("input2.txt","r")) == NULL) { printf("Error! opening file"); exit(1); } fscanf(file1,"%d", &firstNum); fscanf(file2,"%d", &secondNum); if(firstNum>secondNum) { fmax=firstNum; printf("Maximum value is =%d from file input1.txt", fmax); } else { fmax=secondNum; printf("Maximum value is =%d from file input2.txt", fmax); } fclose(file1); fclose(file2); return 0; }
- What will be the content of 'file.c' after executing the following program? #include<stdio.h> int main() { FILE *fp1, *fp2; fp1=fopen("file.c", "w"); fp2=fopen("file.c", "w"); fputc('A', fp1); fputc('B', fp2); fclose(fp1); fclose(fp2); return 0; }Write a program to create a file named RandomNums.txt if it does not exist. Write 100 integers created randomly into the file using textI/O. Integers are separated by spaces in the file. Read the data back from the file and display the data in increasing order. - Next, add a feature to the existing code that finds the number with the highest number of occurrences. - Write your results to a file. - Print the output to the console for verification and debugging. - Use OOP design. - Use exception handling as necessary. - Use comments accordingly. The program must be OOP in design and implement a test class. use of Collections .frequency() to pull number countsProblem Write a program that reads a comma delimited CSV file with four columns and returns the average of each column in the file. Expected Output The first two lines of your code must look like this: import sys test_file = sys.argv[1] This allows for different text files to be sent to your program for testing. Hint, to open the file use with open(test_file, "r".... The TRY IT button below will send a test file to your program. You should see the following output: 10.0 8.0 6.0 20.0 Subject: Python Programming
- 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.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: 5.2Please help how to fix this code? here's my code #include<stdio.h> #include<sys/stat.h> int checkIfFileExists(const char *filename); int main(void){char a[100];printf("Enter File Name:\n");scanf("%s",a);if(checkIfFileExists(a)){printf("The file has been opened Successfully.\n") ; }else{printf("The file cant be open. File does not exists.\n" ) ;} } int checkIfFileExists(const char* filename){struct stat buffer;int exist = stat(filename,&buffer);if(exist == 0)return 1;else return 0;} OUTPUT 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…
- a file named numbers.txt contains an unknown number of lines, each consisting of a single positive integer. Write some code that reads through the file, ignoring those valuse that are not bigger than the maximum value read up to that point. The numbers that are not ignored are added, and their sum stored in a variable called runsum. using python. rfile = open("numbers.txt", "r") maxvalue = 0 runsum = 0 data = rfile.readline() for data in rfile: if int(data) > maxvalue: maxvalue = int(data) runsum += int(data) my code so far. not sure what i am missingwrite a program that computes and prints the average of the numbers in a text file. you should make use of two higher-order functions to simplify the design 1. Modify the data in numbers.txt 45.6 66.7 88.8 100.3 22.4 98.1 2. Run the average.py and numbers.txt to get the desired output. Enter the input file name: numbers.txt The average is 70.31666666666666 3. Please explain the algorithm in 3 sentences Please screenshot input ans output windowIn python, which of the following opens read_it.txt for appending or reading in data test_file variable. a. text_file = open("read_it.txt", "ar") b. text_file = open("read_it.txt", "wr") c. text_file = open("read_it.txt", "a+") d. text_file = open("read_it.txt", "ra") Which one is correct? help!