Xerox 701P21091 - Manual (Page 120)

Specifying input parameters
2-12 Using LCDS Print Description Language
BLOCK command
The BLOCK command defines block length characteristics and
recording modes for offline data sources.
BLOCK command parameters
The following table summarizes the BLOCK command
parameters.
The following sections describe the syntax of the BLOCK
command parameters and explain their options.
Table 2-4. Summary of BLOCK command parameters
Parameter Specifies Offline Online DJDE
BLOCK ADJUST Specifies the adjustment value that is added to or
subtracted from the content of the block length
field. Y N N
BLOCK CONSTANT Specifies that the block delimiter constant and all
subsequent data are ignored until the end of the
block. Y N N
BLOCK FORMAT Specifies the length field recording mode. Y N N
BLOCK LENGTH Specifies the maximum block size. Y N N
BLOCK LMULT Specifies a multiplication factor to determine
block length. Y N N
BLOCK LTHFLD Specifies the length of field that contains the
block length specification. Y N N
BLOCK OFFSET Specifies the location of the block length field. Y N N
BLOCK POSTAMBLE Specifies the length of extraneous data at the
end of the block. Y N N
BLOCK PREAMBLE Specifies the length of the operating system
portion of block Y N N
BLOCK ZERO Specifies that the criterion test for the end of the
block is 0. Y N N