Saturday, 28 January 2017
Pharmacy Management System
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>
int main(){
FILE *fp,*ft;
char another,choice;
struct companyStock {
char stocks[50], sells[50], medicines[50], company[50];
};
struct companyStock e;
char numberOfProducts[50];
long int strSize;
fp=fopen("Stock Details.txt","rb+");
if(fp==NULL) {
fp=fopen("Stock Detail.txt","wb+");
if(fp==NULL){
puts("Cannot open file");
return 0;
}
}
strSize=sizeof(e);
while(1){
system("cls");
printf("Pharmacy Management System") ;
printf("\n\n");
printf("1. Add") ;
printf("\n2. Show");
printf("\n3. Modify");
printf("\n4. Delete");
printf("\n5. Exit");
printf( "\n\n");
printf( " Select Your Choice : ");
fflush(stdin);
choice = getche();
switch(choice){
case '1':
fseek(fp,0,SEEK_END);
another='Y';
while(another=='Y' || another=='y'){
system("cls");
printf ( "Enter the number of Stocks : ");
scanf ("%s",&e.stocks);getchar();
printf ("Enter the number of Sells : ");
scanf ("%s",&e.sells);getchar();
printf ( "Enter the number of Medecines: ");
scanf ("%s", &e.medicines);getchar();
printf ( "Enter the name of Company: ");
scanf("%s", &e.company);getchar();
fwrite(&e,strSize,1,fp);
printf( "\n Add Another Record (Y/N) ");
fflush(stdin); //
another = getchar();
}
break;
case '2':
system("cls");
rewind(fp);
printf( "=== View the Records in the Database ===");
printf( "\n");
while (fread(&e,strSize,1,fp) == 1){
printf( "\n");
printf("\n") ;
printf ("Number of Stocks: %s",e.stocks) ;
printf ("\nNumber of sells: %s",e.sells);
printf("\nNumber of Medecines: %s",e.medicines);
printf ("\nName of company: %s",e.company);
}
printf( "\n\n");
system("pause");
break;
case '3' :
system("cls");
another = 'Y';
while (another == 'Y'|| another == 'y')
{
printf("\n Enter the number of Stocks : ");
scanf("%d", numberOfProducts);
rewind(fp);
while (fread(&e,strSize,1,fp) == 1)
{
if (strcmp(e.stocks,numberOfProducts) == 0)
{
printf( "Enter new number of Stocks : ");
scanf("%c", e.stocks);
printf( "Enter new number of Sells : ");
scanf("%c", e.sells);
printf( "Enter new number of Medecines : ");
scanf("%c", e.medicines);
printf( "Enter name of new Company : ");
scanf("%c" ,e.company);
fseek(fp, - strSize, SEEK_CUR);
fwrite(&e,strSize,1,fp);
break;
}
else
printf("Record not found");
}
printf( "\n Modify Another Record? (Y/N) ");
fflush(stdin);
another = getchar();
}
break;
case '4':
system("cls");
another = 'Y';
while (another == 'Y'|| another == 'y')
{
printf( "\n Enter the number of stocks to delete : ");
scanf("%d", numberOfProducts);
ft = fopen("temp.dat", "wb");
rewind(fp);
while (fread (&e, strSize,1,fp) == 1)
if (strcmp(e.stocks,numberOfProducts) != 0)
{
fwrite(&e,strSize,1,ft);
}
fclose(fp);
fclose(ft);
remove("Stock Details.txt");
rename("temp.dat","Stock Details.txt");
fp=fopen("Stock Details.txt","rb+");
printf( "\n Delete Another Record (Y/N) ");
fflush(stdin);
another = getchar();
}
break;
case '5':
fclose(fp);
printf( "\n\n");
printf("\t\t THANK YOU FOR USING THIS SOFTWARE");
printf("\n\n");
exit(0);
}
}
system("pause");
return 0;
}
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