Linear Search

[button]

The search function I have isn't working, possibly because of the scope of the while & if functions or that I am using the wrong functions.
Please see if a different search or maybe if the code needs changing, Thank you button.


#include <iostream.h> //Pre Processor Directives
#include <fstream.h> //Libary for Input funcitons
#include <iomanip.h> //Input/Output manipulation libary
#include <string.h>

void main()
{
ofstream file("Database"); //Create a new file
file.open("Database");

char* name[9];
name[0] = NULL;
name[1]="HP4p";
name[2]="HP5L";
name[3]="HP6p";
name[4]="Cannon2A";
name[5]="Cannon3B";
name[6]="Epson2";
name[7]="Epson3";
name[8]="Epson4A";

float cost[9];
cost[1]=32.99;
cost[2]=24.99;
cost[3]=30.00;
cost[4]=23.45;
cost[5]=31.99;
cost[6]=25.00;
cost[7]=30.00;
cost[8]=27.99;

int quantity[9];
quantity[1]=100;
quantity[2]=50;
quantity[3]=75;
quantity[4]=30;
quantity[5]=80;
quantity[6]=10;
quantity[7]=25;
quantity[8]=30;

char name8[13]="Cartridge";
char cost8[11]="£00.00p";
char quantity8[12]="Quantity";
{
for (int x = 1; x < 8; x++)
file<<name[x]<<' '<<cost[x]<<' '<<quantity[x];
}
file.close(); //close the file

int num=0,x;
char sought[15]; //Declare Variables

cout<<"Display all records press '1' "<<"Do a Search press '2' "<<" '0' to Quit "<<endl;
cin>>num;

if (!num==0)
{
if (num==1)
{
cout<<"Total Items in stock \n"<<endl<<endl;

ifstream file("Database",ios::in); //ios::in for input from the file

cout<<setw(20)<<setfill(' ')<<setiosflags(ios::left)<<name8;
cout<<setw(10)<<setfill(' ')<<setiosflags(ios::right)<<cost8;
cout<<setw(12)<<setfill(' ')<<setiosflags(ios::right)<<quantity8<<endl;

for (int x = 1; x < 8; x++)
{
cout<<endl<<setw(20)<<setfill(' ')<<setiosflags(ios::left)<<name[x];
cout<<setw(8)<<setfill(' ')<<setiosflags(ios::right)<<cost[x];
cout<<setw(8)<<setfill(' ')<<setiosflags(ios::right)<<quantity[x];
}
}

cout<<endl<<endl<<"Display all records press '1' ";
cout<<"Do a Search press '2' "<<" '0' to Quit "<<endl;
cin>>num;

if (num==2)
{
cout<<endl<<"To search by the printers make type in the name e.g HP4p: Type 'N' for no more"<<endl;
cin>>sought;

ifstream file("Database"); //open file for input FROM file
//while(!file.eof())
//{ //file.seekg(0); //set file pointer to first character

if (strcmp(sought,"N")!=0)
{
delete [] name[0]; //it is safe to call delete [] on NULL pointer.
name[0] = new char[strlen(sought)];

strcpy(name[0],sought);

x=8;

while (strcmp(name[x],sought)!=0)
x--;

if (strcmp(name[x],sought)==0)
{
cout<<endl<<setw(20)<<setfill(' ')<<setiosflags(ios::left)<<name[x];
cout<<setw(8)<<setfill(' ')<<setiosflags(ios::right)<<cost[x];
cout<<setw(8)<<setfill(' ')<<setiosflags(ios::right)<<quantity[x]<<endl;
}
else
{
cout<<"No such item in stock"<<endl<<endl;
}

file.close();

cout<<"Display all records press '1' ";
cout<<"Do a Search press '2' "<<" '0' to Quit"<<endl;
cin>>num;
}
}

}
}