Reading Data From File

FEOF.c

#include<stdio.h>
int main(){
FILE *fptr;

if((fptr=fopen("clients.txt","w"))==NULL){

	puts("File could not be opened");
}
else{

	puts("Enter the account , age , name , balance");
	puts("Enter EOF to end input.");
	printf(">:");

	unsigned int account;
	int age;
	char name[30];
	double balance;
	scanf("%d%d%20s%lf",&account , &age , name , &balance);

	while(!feof(stdin)){
            
    	fprintf(fptr,"%d %d %s %.2f \n",account ,age, name , balance);
    	printf(">:");
    	scanf("%d%d%20s%lf",&account ,&age , name , &balance);

	}
}
fclose(fptr);
return 0;
}

fgetc.c

#include <stdio.h>
int main() {
        FILE * fptr;

	char c;
       printf("__Reading all data From File ___\n");

        fptr = fopen("001testw.txt", "r");
        while ((c = getc(fptr)) != EOF) {
		printf("%c", c);
	}

        fclose(fptr);
        return 0;
    }

fgets.c

#include <stdio.h>
int main() {
    	FILE * fptr;
   	char data_buffer[40];
    	fptr = fopen("1hello.txt", "r");

    	printf("__Reading a line  From File__\n");
  	fgets(data_buffer,50,fptr);
  	printf("%s\n",data_buffer);

    	fclose(fptr);
    	return 0;
	}

fscanfs.c

#include <stdio.h>
int main() {
    	FILE * fptr;
   	char data1[20],data2[20],data3[20],data4[20];
    	fptr = fopen("1hello.txt", "r");

    	printf("__Reading datas parse by parse  From File__\n");
  	fscanf(fptr,"%s %s %s %s ",data1,data2,data3,data4);
  	printf("Reading a string :%s \n",data1);
  	printf("Reading a string :%s \n",data2);
  	printf("Reading a string :%s \n",data3);
  	printf("Reading a string :%s \n",data4);

    	fclose(fptr);
    	return 0;
	}

fscanfs2.c

#include <stdio.h>
int main() {

  	FILE *fptr;

  	fptr= fopen("1hello.txt","r+");

  	char data1[20],data4[20];
  	int code=0;
  	float balance=0.0;
  	printf("________Reading data parse by parse  from specific file______\n");

 	fscanf(fptr , "%d %s %f %s",&code,data1,&balance,data4);

 	printf("Reading data from file 1 st %d\n",code);
 	printf("Reading data from file 2 st %s\n",data1);
 	printf("Reading data from file 3 st %.2f\n",balance);
 	printf("Reading data from file 4 st %s\n",data4);

    	fclose(fptr);
    	return 0;
	}

good teacher

Thanks you too

…

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