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In the C standard library, the character-reading functions such as getchar return a value equal to the symbolic value (macro) EOF to indicate that an end-of-file condition has occurred. The actual value of EOF is implementation-dependent and must be negative (it is commonly −1, such as in glibc [ 2 ] ).
End-of-file, a condition where no more data can be read from a data source; Enterprise Objects Framework, a NeXT object-relational mapping product; EoF, a song editing program for the free Guitar Hero clone Frets on Fire; Ethereum Object Format, an object container standard specifying header, code, data, types
Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language and first released it in 1991 as Python 0.9.0. [36] Python 2.0 was released in 2000. Python 3.0, released in 2008, was a major revision not completely backward-compatible with earlier versions. Python 2.7.18, released in 2020, was the last ...
Zero-byte files may arise in cases where a program creates a file but aborts or is interrupted prematurely while writing to it. Because writes are cached in memory and only flushed to disk at a later time ( page cache ), a program that does not flush its writes to disk or terminate normally may result in a zero-byte file.
In all modern character sets, the null character has a code point value of zero. In most encodings, this is translated to a single code unit with a zero value. For instance, in UTF-8 it is a single zero byte. However, in Modified UTF-8 the null character is encoded as two bytes: 0xC0,0x80. This allows the byte with the value of zero, which is ...
read will eventually run out of characters to read from the file, potentially on its very first call, which would leave a in an undetermined state and potentially cause write to cause a null pointer exception. To avoid this, read returns the special value EOF (end-of-file) in this situation, which requires an explicit test to avoid writeing it:
Python. The use of the triple-quotes to comment-out lines of source, does not actually form a comment. [19] The enclosed text becomes a string literal, which Python usually ignores (except when it is the first statement in the body of a module, class or function; see docstring). Elixir
A file signature is data used to identify or verify the content of a file. Such signatures are also known as magic numbers or magic bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.