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SORT-MERGE/XL Programmer's Guide: 900 Series HP 3000 Computer Systems

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HP Part Number: 32650-90884

Edition:

Published: E0300

Table of Contents

1 Introduction

Processing a Sort or Merge
Sorting
Merging
Keys
Error Checking
Large File Support

2 Creating Core Routines That Sort and Merge

Structure of the Core Routines

Initializing a Sort or Merge

Specifying Input
Specifying Output
Specifying Keys
Specifying Data and Sequence
Using HPSORTINIT
Using HPMERGEINIT

Ending Sorting or Merging

Error Checking

Example of Core Sorting Routine

Example of Core Merging Routine

3 Input and Output by Record

Using Record Input and Output
Record Input
Example of Record Input
Record Output
Example of Record Output

4 Altering the Collating Sequence

Sorting and Arranging

Altering the Sequence

Example of Using an Altered Sequence

Using a Native Language Sequence

Getting the Language ID
Specifying Parameters

5 Getting SORT-MERGE/XL Information

Redirecting Output
Getting Statistical Information
Example of Getting Sort/Merge Statistics
Getting Version and Title Information
Example of Using HPSORTTITLE

A HPSORT Intrinsic Status Returns

B HPMERGE Intrinsic Status Returns

C ASCII/EBCDIC Table

D FORTRAN Program Examples

Example of Core Sorting Routine
Example of Core Merging Routine
Example of Record Input
Example of Record Output
Example of Using an Altered Sequence

E Data Types

HP Business BASIC
HP C/XL
HP COBOL II/XL
HP FORTRAN 77/XL
HP Pascal

List of Figures

1-1 Flowchart of Intrinsic Order
1-2 SORT/XL Operations
1-3 MERGE/XL Operations
1-4 Key Comparing Operations
2-1 Core Routine
3-1 Record Input and Output
4-1 Running NLUTIL
5-1 Getting Information

List of Tables

C-1 ASCII/EBCDIC Character Sets
E-1 Business BASIC Equivalents of SORT-MERGE/XL Data Types
E-2 HP C XL Equivalents of SORT-MERGE/XL Data Types
E-3 HP COBOL II/XL Equivalents of SORT-MERGE/XL Data Types
E-4 HP FORTRAN 77/XL Equivalents of SORT-MERGE/XL Data Types
E-5 HP Pascal Equivalents of SORT-MERGE/XL Data Types

List of Examples

3-1 SORTREC_IN Program
3-2 SORTREC_OUT Program
4-1 SORTALT Program
D-1 SORTFILE Program
D-2 MERGEFILE Program
D-3 SORTREC_INPUT Program
D-4 SORTREC_OUTPUT Program
D-5 SORTALT Program

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