Dat files

This is a discussion on Dat files within the A Brief History of Cprogramming.com forums, part of the Community Boards category; It might be a silly question but I have to ask it. It is about dat files one friend of ...

  1. #1
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    Dat files

    It might be a silly question but I have to ask it.
    It is about dat files one friend of mine said to me that dat files are normal exe files but the ending was changed.

    When this isn't true how can I creat dat files and how i link them to my game (like normal exe files with spawnl(bla,dsd.exe,bla))

  2. #2
    Confused Magos's Avatar
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    There is no specific layout of a dat file, it can be whatever you want. A text file, a bitmap or pure binary data suited for your datatypes. You choose.
    It's the way you handle the data that counts.
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    Give a man a fish and you feed him for a day.
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  3. #3
    Registered User FearOfTheDark's Avatar
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    Binary datfile!

    To creat a binary datafile, if that's what you want:

    struct hello
    {
    int a,b,c,d;
    //What ever you want...
    }j[100];


    fstream f("c:\\hello.dat",ios:ut|ios::binary);
    for(int a=0;a<100;a++)
    f.write((char *)(lj+a),sizeof(struct hello));
    f.close();

    And to read the same datafile:

    int count=0;
    if(access("c:\\hello.dat,00))
    cout<<"The file does not exist!";
    else
    {
    fstream f("c:\\hello.dat",ios::in|ios::binary);
    while(!f.eof())
    {
    f.read((char *)(j+count),sizeof(struct hello));
    count++;
    }
    f.close();
    -We're living in a illusion!
    -Ok, if that's what you think!

  4. #4
    PC Fixer-Upper Waldo2k2's Avatar
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    Well your friend was partially right, if i compiled whatever.exe and renamed it to whatever.dat, i believe it would still run.
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