File
Showing posts with label File. Show all posts
Showing posts with label File. Show all posts

COPY DATA FROM ONE FILE TO ANOTHER FILE USING C PROGRAM

How To COPY DATA FROM ONE FILE TO ANOTHER FILE USING C PROGRAM.


#include<stdio.h>
int main(){
  FILE *p,*q;
  char file1[20],file2[20];
  char ch;
  printf("\nEnter the source file name to be copied:");
  gets(file1);
  p=fopen(file1,"r");
  if(p==NULL){
      printf("cannot open %s",file1);
      exit(0);
  }
  printf("\nEnter the destination file name:");
  gets(file2);
  q=fopen(file2,"w");
  if(q==NULL){
      printf("cannot open %s",file2);
      exit(0);
  }
  while((ch=getc(p))!=EOF)
      putc(ch,q);
  printf("\nCOMPLETED");
  fclose(p);
  fclose(q);
 return 0;
}

C Program File Input & Output Example

How to write a C Program File Input & Output Example in C Programming Language ?


Solution For C Program :

C Program To Destruc Self Execution File ?

How to write a C Program To Destruc Self Execution File in C Programming Language ?


Solution For C Program :

/*C Program To Destruc Self Execution File.*/

#include<stdio.h>
#include<conio.h>
#include<dos.h>
void main()
{
printf("This program will destroy itself if u press any key!!!\n");
getch();
remove(_argv[0]);/*array of pointers to command line arguments*/
}

C Program To Store Students Record In A Text File

How to write a C Program To Store Students Record In A Text File in C Programming Language ?


Solution For C Program :

/*C Program To Store Students Record In A Text File.*/


#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
void main()
{
    FILE *fp;
    char another='y';
    int marks1,marks2,marks3,marks4,marks5,role;
    char name[20];
    clrscr();

    fp=fopen("Students.txt","w");
    if(fp==NULL)
    {
        puts("Cannot open file");
        exit(1);
    }
       fprintf(fp,"Role No.\tNAME\t  PHYSICS  CHEMISTRY  MATHS  S.S.T  ENGLISH\n");
    while(another=='y')
    {
        printf("\nEnter name :");
        scanf("%s",&name);
        printf("Enter your Role No.:");
        scanf("%d",&role);
        printf("Enter marks in Physics:");
        scanf("%d",&marks1);
        printf("Enter marks in Chemistry:");
        scanf("%d",&marks2);
        printf("Enter marks in Mathematics:");
        scanf("%d",&marks3);
        printf("Enter marks in Social Science:");
        scanf("%d",&marks4);
        printf("Enter marks in English:");
        scanf("%d",&marks5);
        fprintf(fp,"%d\t%s\t%d\t%d\t%d\t%d\t%d\n",role, name, marks1,marks2,marks3,marks4,marks5);
        printf("Add another record (y/n): ");
        fflush(stdin);
        another=getche();
    }
    fclose(fp);
}


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C Program To Swap Two Numbers Without Using Third Variable



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