Overview
229
Ch
apt
er 8 F
ile Ope
rati
ons
This section explains which operations are
possible on files stored in each directory.
When required, the following operation tables
distinguish reading and writing from partial
reading and writing.
Read:
Read data sequentially from the start to the
end of the file.
Partial read:
Read only a part of the data in the
file.
Write:
Write data sequentially from the start to
the end of the file.
Partial write:
Write data to a part of the file only.
Note
Operations other than Read and Partial read are possible
only when the Write Inhibit tab of the disc is set to
recording enabled.
Root directory
(Continued)
File operation restrictions
File name
Content
Operations
Read/
Partial
read
Write/
Partial
write
Rename Create Delete
INDEX.XML
Contains data for management of the
material on the disc.
Yes
No
No
No
No
ALIAS.XML
a)
Contains conversion tables for assigning
user-defined names to clips and clip lists.
Yes
No
No
No
No
DISCMETA.XML
Contains metadata to indicate the disc
properties.
Yes
Yes
b)
No
No
No
MEDIAPRO.XML
Contains a list of materials on the disc,
basic properties, related information, and
information about access methods.
Yes
No
No
No
No
SYSPRO.XML
Contains system setting information and
menu setting information for the devices.
Yes
No
No
No
No
