Specifying input parameters
Default
BLOCK LTHFLD:
point to note
Syntax
Options
Table 2-11. BLOCK OFFSET parameter options and definitions
Option
Definition
value
Specifies the number of bytes that the block length field is offset from the first
byte of the block. The value is an integer in the range 0 to LENGTH-LTHFLD –1.
Default
Syntax
Options
Table 2-12. BLOCK POSTAMBLE parameter options and definitions
Option
length
Default
2-16
1
•
If the size is set to 0, the block length field is not considered
to be part of the block; and the length of a block on the tape is
the actual physical block length.
•
The LTHFLD parameter may be overridden if RECORD
STRUCTURE is changed through tape label processing.
BLOCK OFFSET
Specifies the location of the block length field.
BLOCK OFFSET = value
0
BLOCK POSTAMBLE
Specifies the length in bytes of the extraneous data at the end of
each tape block, measured from the end of the block backwards
to the end of the last logical record.
BLOCK POSTAMBLE = length
Definition
An integer in the range of 0 to the block length that specifies the number of
bytes that follow the last logical record to the end of each tape block.
0
Using LCDS Print Description Language