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hard to find file r/w bug

csstudent123 (409)
Hello. I do not know why my file stream is reading only one record from the file.

Here is the file and function to read/write.
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J13013709	
Mohammad M Rahman
79.5
J14036721	
Tee Fu Hao
74.9
J13022703	
Lee Zhen Zhi
82.0
J13026354	
Tan Shou Heng
59.3

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int addStudent(char code[]){

    struct students{
    char ID[11];
    char Name[35];
    char grade[3];

}stud[totalStud];
    //ofstream add;
    fstream getinfo;
    unsigned int total=0, i=0;
    char cont='Y', total_in_char[10];


    getinfo.open(strcat(code, ".txt"), ios::in|ios::out);
     while(getinfo.fail()){
		cout<<"Open Fail"<<endl;
		getinfo.clear();
		cout<<"Opening again"<<endl;
		getinfo.open(strcat(code, ".txt"), ios::in | ios::out);
	}


    getinfo.getline(total_in_char, 10);
    total=atoi(total_in_char);

	while(getinfo.good()){

           getinfo.getline(stud[i].ID, 13);
           getinfo.getline(stud[i].Name, 35);
           getinfo.getline(stud[i].grade, 3);
           i++;//////here only reading once

    }
    //getinfo.close();
    cout<<stud[1].ID<<endl;///////here nothing shows for index 1 of stud
    while(cont=='Y'){
        cout<<"Enter student ID: ";
        cin>>stud[i].ID;
        cout<<"Enter student name: ";
        cin.ignore();
        cin.getline(stud[i].Name, 35);
        cout<<"Enter student grade: ";
        cin>>stud[i].grade;
        i++;
        total=total+1;

        cout<<"Conitue? Y or N: ";
        while(!(cin>>cont) || (cont!='Y' && cont!='N')){
        cout<<"Choose Y or N: ";
        cin.clear();
        cin.ignore();
    }

    }

    //add.open(code, ios::out);

    //if(add.is_open())
       // cout<<"File opened"<<endl;
    //add<<total<<endl;
    getinfo<<total<<endl;
    for(int j=0;j<i;j++){

        //add<<stud[j].ID<<endl;
        getinfo<<stud[j].ID<<endl;
        //add<<stud[j].Name<<endl;
        getinfo<<stud[j].Name<<endl;
        //add<<stud[j].grade<<endl;
        getinfo<<stud[j].grade<<endl;
    }
    //add.close();
    getinfo.close();
    cout<<"Write success"<<endl;

    return 0;

}
Last edited on
Peter87 (11178)
The grade array is too short to store the string "79.5".
jlb (4973)
And since this is C++ why are you using C-strings instead of std::string? And why is grade a character type at all? Wouldn't a numeric type make more sense?

mutexe (2372)
and thank you for mentioning me at the end of line 10..
csstudent123 (409)
u mean stud? lol...Jib we are progressing in class topic by topic...
csstudent123 (409)
btw thanks all..it working now... but fstream do not read and write..just reads but do not write new added plus previous records to file...i changed to if and of stream then it works
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