IO Class

The IO class provides methods and properties for data input and output. The methods and properties in the class are used in association with an IO type object; therefore, an IO object must first be instantiated:

type IO objectName = Class.new("IO")

Ancestor	Reference
Descendants	None

Properties	Description
charsetElemName	Element name to be passed to $$^UCIOENCD()
charsetElemType	Element type to be passed to $$^UCIOENCD()
charsetName	Contains the name of the character set used to convert characters on .read() or .write()
device	Contains the complete device specification (directory and fileName). This is a read-only property.
directory	Defines the full path of the directory where the file is to be stored or accessed.
fileName	Defines the file name used to access the file.
openParams	Indicates the type of access granted to the device.
recordSize	Defines the length of the record within the device to be accessed.
timeout	Defines the number of seconds to wait for access to the device before returning an error.

Methods	Description
close	Closes a device based on the fileName and directory properties.
open	Opens a device based on the fileName and directory properties.
read	Reads a record from the device defined by the fileName and directory properties.
write	Writes a record to the device defined by the fileName and directory properties.