Thread: .dat file

  1. #1
    Registered User
    Join Date
    Jun 2003

    .dat file

    can anyone please tell me how to create a normal file with the .dat extension because i want to save it as a binary file? thanks.

  2. #2
    Registered User
    Join Date
    Mar 2002
    interestingly enough the extension name seems to indicate to the user more information than to the computer. .dat is the same as any other extension as far as I know. To store stuff as binary in a .txt file or a .dat file you can use ios::binary instead of the default output mode for ofstreams or fstreams which is text. Likewise you can store stuff as text in .dat file if you wish by using the default output mode of output streams.

  3. #3
    Code Goddess Prelude's Avatar
    Join Date
    Sep 2001
    The extension is irrelevant, just open a file for writing with .dat at the end:
    ofstream out ( "filename.dat", ios_base::binary );
    My best code is written with the delete key.

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