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End Of File (EOF) in Programming

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               The EOF is a special character, whose ASCII value is 26, which indicates the end of a file in text mode of file. While writing data to a file, this character is inserted automatically after the last character in the file to mark the end of file. If this character is detected at any point in the file, the read function would return the EOF signal to the program indicating the last point of file. An attempt to read after EOF might either cause the program to terminate with an error or result in an infinite loop situation. Thus, the last point of file is detected using EOF while reading data from file. Without this mark, we can not detect last character at the file such that it is difficult to find up to what time the character is to be read while reading data from the file.
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