Specifications

CHAPTER 3

LaserWriter Pro Software

42 Interpreter Parameters

Table 3-11 lists the parameters common to all FileSystem devices.

Table 3-11 Parameters common to all FileSystem devices

Key Type Details

Free integer Read only. Indicates the amount of free space (in pages for

disks, and bytes for cartridges) on the media device.

Legal values: Any non-negative integer

Errors: None

HasNames boolean Read only. Indicates whether the device supports ﬁles. If

false, the device is a single entity of data.

Legal values: true, false

Errors: None

InitializeAction integer Speciﬁes an action for initializing the device.

The following values are valid for disks:

0 indicates no action, and it is the value returned when the

parameters is read.

1 indicates that the current file system (if there is one)

should be deleted, and a new one of the size speciﬁed

Logical Size be created.

2 reformats the entire medium before creating a new file

system of the size speciﬁed by LogicalSize.

3 or greater has the same effect as the value 2, and it also

carries out product-dependent actions, which typically

consist of reformatting the disk and running integrity

tests before creating the ﬁle system. Some devices can

have additional parameters that serve as arguments to

InitializeAction.

The following values are valid for cartridges:

0 indicates no action, and it is the value returned when the

parameters is read.

1 reformats the entire medium before creating a new files

system of the size speciﬁed by PhysicalSize.

Legal values: Any non-negative integer

Errors: None

LogicalSize integer When set, speciﬁes the size of the ﬁle system to be

created. It is used as an argument to the action carried

out by InitializeAction. If LogicalSize is 0,

InitializeAction uses a default size that is normally the

size of the entire device. See also InitializeAction.

When queried, this parameter indicates the current size of

the ﬁle system on the device (in pages for disks, bytes for

cartridges). A value of 0 indicates that there is no valid

ﬁle system.

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