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SORT-MERGE/XL Programmer's Guide is intended for use by experienced
programmers who are developing applications that require sorting
or merging operations. This Programmer's Series manual explains
how to use the SORT-MERGE/XL subsystem and related intrinsics.
This manual assumes knowledge of general programming and MPE concepts, but
little or no experience with the HPSORT or HPMERGE
intrinsics. For current specific information about
the intrinsics, the MPE/iX Intrinsics Reference Manual.
Chapter 1, Introduction, offers an overview of the sorting
and merging process, with flow charts.
Chapter 2, Creating Core Routines that Sort and Merge, traces
the development of Pascal routines that do a simple sort and a simple
merge operation. First the example routines are presented step by
step with descriptions of the development. The entire examples are presented
at the end of the chapter.
Chapter 3, Input and Output by Record, presents examples of
a simple sort operation that uses the option of input by record,
and a simple merge operation that uses the option of output by record.
A Pascal example is also included in this chapter.
Chapter 4, Altering the Collating Sequence, presents an example
of using an optional, or alternate, collating sequence. A Pascal
example is also included in this chapter.
Chapter 5, Getting SORT-MERGE/XL Information, tells you how
to get status information about a completed sorting or merging operation,
and how to get title and version information at any point in your
sorting or merging program.
Appendix A, HPSORT Intrinsic Status Returns, and Appendix
B, HPMERGE Intrinsic Status Returns, list the error number, message,
cause, and user corrective action for status returns from the HPSORT
and HPMERGE intrinsics.
Appendix C, ASCII/EBCDIC Table, shows the ASCII and EBCDIC
character code values, along with their decimal, octal, and hexadecimal
equivalents.
Appendix D, FORTRAN Program Examples, gives five FORTRAN programs
equivalent to the five Pascal sorting and merging programs used
as examples in Chapters 2, 3, and 4.
Appendix E, Data Types, gives tables that show the generic
data types used in SORT-MERGE/XL, and their equivalents in HP Business
BASIC/XL, HP C/XL, HP COBOL II/XL, HP FORTRAN 77/XL, and HP Pascal/XL.
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