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programming.noob

Sat Jun 10, 2006 11:22 am


I need help with file handling???

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FILE *fptr;
int num;
    fptr=fopen ("bankdatabase.txt","r");     
    fscanf (fptr,"%d",&num);
    
    ***how do i output the file into the C++ window***


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wtd

Sat Jun 10, 2006 11:27 am



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You should be aware that this is C code that you're dealing with, rather than C++.

There is no "C++ window".  Are you talking about standard output?


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programming.noob

Sat Jun 10, 2006 11:18 pm



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yes im talking about standard output, sorry im new to the C language.


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programming.noob

Sat Jun 10, 2006 11:22 pm



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I dont think you are my personal google i just wanted to know how i woud go about outputting the contents of the file database.txt. Which function would be appropriate.


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wtd

Sun Jun 11, 2006 7:09 am



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That's my signature.  It gets attached to every message I post.  

That said, if you Google "c file handling" you will get a lot of very relevant pages.


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programming.noob

Sun Jun 11, 2006 2:59 pm



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do i use fprintf, or fgets to ouput the contents from the notepad file?


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wtd

Sun Jun 11, 2006 3:40 pm



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Don't think in terms of code specifics .  Think in terms of breaking the problem down.

You have the file open.  What's the next thing you have to do?


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programming.noob

Sun Jun 11, 2006 10:05 pm



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welll i know i have to read the file in however i dont know how to output the notepad file contents.


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programming.noob

Sun Jun 11, 2006 10:07 pm



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Also what do i break the program down into.. steps... but how i dont understand. I just want to output the contents of the notepad file. I thought it was a one liner.


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wtd

Sun Jun 11, 2006 10:45 pm



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No no.

Break the problem down into simpler problems.  At this stage of the game, we're not even concerned with the program.


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Martin

Mon Jun 12, 2006 2:48 am



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As in, think of the steps to do this without the programming part first. Don't worry about the code, just the method. Write it out as a list in plain English - ie.
1. First, we have to do this
2. Then, we do this.
...


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programming.noob

Mon Jun 12, 2006 12:07 pm



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Can somebody tell me what the problem is with the error : cannot convert FILE to char for arguement.

How come i cant get this to work it just wont work. I planned it out and everythgin

#include 
#include 
#include 
#include 
#include 

int main ()
{   
char file [50];

    FILE * pFile;
    pFile = fopen ("bankdatabase.txt","r");
    if (pFile==NULL){
        printf ("File read correctly but not displayed");
        abort();
    }
    
    for (int i=0;i