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 #include 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; }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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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;

}

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