Thread: detecting end of file

  1. #1
    Registered User abrege's Avatar
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    Nov 2002
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    detecting end of file

    Trying to do something like...

    Code:
    while(!fin.eof())
    {
         // stuff here
    }
    But apparently fin.eof() doesn't work...what can I check for?
    I am against the teaching of evolution in schools. I am also against widespread
    literacy and the refrigeration of food.

  2. #2
    Code Goddess Prelude's Avatar
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    9,897
    Using eof() as the loop condition is a Bad Thing, the eofbit is only set after you've tried to read and failed. The end result is usually that you read one more than you want. Try placing your input in the condition of the loop, for example:
    Code:
    while ( cin>> var ) {
      // All is well, work with var
    }
    -Prelude
    My best code is written with the delete key.

  3. #3
    Registered User abrege's Avatar
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    Thanks, got it to work!
    I am against the teaching of evolution in schools. I am also against widespread
    literacy and the refrigeration of food.

  4. #4
    Registered User Diamonds's Avatar
    Join Date
    Oct 2002
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    68
    suppose you had
    char ch;
    fin.get(ch);
    how does one check for eof of ch?

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