QBasic 1.1: OPEN Statement File Modes

Explanation

OPEN Statement File Modes

The APPEND, BINARY, INPUT, OUTPUT, and RANDOM keywords are used in the OPEN statement to specify file modes. INPUT, OUTPUT, and RANDOM are also used in the OPEN COM statement.

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Description / Parameter(s)

APPEND	specifies that the file is to be opened for sequential output and sets the file pointer to the end of the file. A PRINT # or WRITE # statement then extends (appends to) the file.
BINARY	specifies a binary-file mode. In binary mode, you can read or write information to any byte position in the file using GET or PUT statements.
INPUT	specifies that the file is opened for sequential input.
OUTPUT	specifies that the file is opened for sequential output.
RANDOM	specifies that the file is opened in random-access file mode. RANDOM is the default file mode.