64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* C program to illustrate how a file stored on the disk is read
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This C Program illustrates reading of data from a file. The program opens a file which is present. Once the file opens successfully, it uses libc fgetc() library call to read the content.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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void main()
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{
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FILE *fptr;
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char filename[15];
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char ch;
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printf("Enter the filename to be opened \n");
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scanf("%s", filename);
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/* open the file for reading */
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fptr = fopen(filename, "r");
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if (fptr == NULL)
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{
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printf("Cannot open file \n");
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exit(0);
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}
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ch = fgetc(fptr);
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while (ch != EOF)
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{
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printf ("%c", ch);
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ch = fgetc(fptr);
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}
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fclose(fptr);
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}
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/*
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Enter the filename to be opened
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pgm95.c
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/*
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* C program to create a file called emp.rec and store information
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* about a person, in terms of his name, age and salary.
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*/
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#include <stdio.h>
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void main()
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{
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FILE *fptr;
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char name[20];
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int age;
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float salary;
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fptr = fopen ("emp.rec", "w"); /* open for writing*/
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if (fptr == NULL)
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{
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printf("File does not exists \n");
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return;
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}
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printf("Enter the name \n");
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scanf("%s", name);
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fprintf(fptr, "Name = %s\n", name);
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printf("Enter the age \n");
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scanf("%d", &age);
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fprintf(fptr, "Age = %d\n", age);
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printf("Enter the salary \n");
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scanf("%f", &salary);
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fprintf(fptr, "Salary = %.2f\n", salary);
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fclose(fptr);
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} |