1 Chapter Plan...1 Exercise - Simple Program...2

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Audra Richard
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1 Chapter 1: Introduction Exercise - Simple Program Subject Matter What is PL/1? PL/1: Strengths and Advantages Program Structure Data Types Built-in Functions Storage Classes, Control, and Dynamic Storage Allocation Condition Handling Input and Output Language Features Character Set Statement Elements Statements...15 Chapter 2: Creating Data Fields Exercise - DECLARE Statement...2 Exercise - PICTURE Attribute Subject Matter Data Items Data Types and Attributes Arithmetic Data Declaration Floating Point Declaration Arithmetic Data Types in Review Declaration of Strings Varying Length Strings Initial Attribute String Data Declaring Identifiers with the Bit Attribute Initial Attribute PICTURE Attribute Declare Statement Formats...20 Chapter 3: Compiling and Link-editing on z/os 2 Subject Matter Source, Object, and Load Modules Source Libraries Compiling Programs on z/os Object Deck Object Library Load Module - Creation Binder Binder JCL...9 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 1

2 Chapter 4: Programming and Expressions Exercise - Math Program - Simple...2 Exercise - Calculating Averages Subject Matter Expression - Definition and Purpose Targets Arithmetic Operations Data Conversion in Arithmetic Operations Bit Operations Comparison Operations Concatenation Operations Priority of Operators...17 Chapter 5: Program Structure Exercise - Convert Time...1 Exercise - Power of Two Table Program Structure Preprocessors Code Reuse Program Activation Blocks Procedures Procedure Termination Recursive Procedures Subroutine Functions Basic I/O Program...15 Chapter 6: Program Statements Exercise - Count Characters...2 Exercise - Inventory Audit Report...4 Exercise - Sort Three Values Subject Matter Assignment Statement Assignment Statement - Operators Date and Time Built-in Functions PL/1 Constants Rules for Identifiers Assignment Statement Operators String Assignment...16 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 2

3 9. String Operator Logical - Bit String - Operators IF Statement Combination of Operations Non-Iterative and Iterative DO Group DO Group-Form DO Group-Form DO Group-Form DO Group-Form Other Forms of Operative - DO Groups LEAVE Statement Nested DO Groups and Leave I/O Using DO WHILE and ENDFILE Iterative DO - Forms SELECT Statement Implementation of Pseudo-code SELECT FIRST ACTION FOR Construct Implementation of Pseudo-code SELECT FIRST ACTION Construct DO - UPTHRU - New Option ITERATE Statement Directives...37 Chapter 7: Arrays Exercise - One Dimensional Table - Simple...2 Exercise - Load a Table - Condition Checking Subject Matter Arrays: Purpose and Facilities Arrays: Referencing Elements Arrays: Initializing Arrays: Iteration Factors Array Variables: Assigning Values Multidimensional Arrays: Order of Assignment and Output Array Variables: GET and PUT Statements Arrays: Passing as Arguments Array Dimension Information: Built-In Functions Array Initialization Array Operations I/O Operations and Arrays Built-In Array Functions Array Assignments ANY...23 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 3

4 Chapter 8: I/O: Input/Output Exercise - Record I/O Subject Matter Data Set Datasets: Sequential, Direct, and Partitioned Storage Location of Data Sets DFSMS in Data Management Access Methods DASD Labels Allocating a Data Set Logical Records and Blocks Data Set Record Formats VSAM: Virtual Storage Access Method Catalog PL/1 I/O Stream Transmission Record Transmission Data Sets Data Set Organization Files Files: Opening and Closing Files FLUSH Statement SYSPRINT and SYSIN...26 Chapter 9: Structures Exercise - Edit Transaction Data Subject Matter Structures Structure Declarations and Attributes Attributes for Structure Variables Initializing Structures Passing Structure Variables as Arguments TYPE Attribute LIKE Attribute Structure-Qualified References Arrays of Structures Arrays of Structures that Contain Arrays...21 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 4

5 Chapter 10: Record I/O Exercise - Payroll Proof Totals...2 Exercise - Control Break...6 Exercise - Simple I/O and Calculation Subject Matter Record I/O: Purpose and Features Varying Length Strings Title Data Transmission Statements Options Processing Modes Record I/O Examples...20 Chapter 11: Stream I/O Exercise - List I/O Stream I/O Types Stream I/O Processing and Positioning of Stream Files Output Stream Data Transmissions - Types Declaring Stream Files OPEN Statement CLOSE Statement Stream I/O Statements List Directed I/O Data Directed I/O Edit Directed Data Specification Input by the GET Statement GET EDIT Statement GET LIST Statement GET SKIP Statement Output by the PUT Statement Options PUT - Derivative Forms FORMAT Statement Format Items Format Specifications Format-Specification List Successive GET and PUT Statements Stream I/O Examples...36 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 5

6 Chapter 12: Storage Allocation 2 Subject Matter Based Variables Data Types Used with Based Variables Referring to Based Variables Dynamic Storage Allocation ADDR Built-in Function Controlled Variables ALLOCATION Built-In Function ADDR Built-In Function Dynamically Allocated Variables FREE Statement DEFINED Attribute POSITION Attribute...18 Chapter 13: Conditions Exercise - Character Manipulation Subject Matter Conditions and SIGNAL Statement Condition Prefixes Condition Status Condition Scope ON Statement Dynamically Descendent ON-units REVERT Statement SIGNAL Statement Various Conditions Exceptional Conditions ON-units Begin Blocks within ON-units ON ENDPAGE Error Condition Signal Statement Enable/Disabled Conditions Condition Prefixes Condition Handling Built-in Functions Verifying for Numeric...29 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 6

7 Chapter 14: Built-in Functions Exercise - Removing Blanks from Character Data BUILTIN Attribute Invoking Built-in Functions and Subroutines Aggregate Arguments Arithmetic Built-in Functions Array-handling Built-in Functions Buffer-management Built-in Functions Condition-handling Built-in Functions Date/Time Built-in Functions Input/Output Built-in Functions Miscellaneous Built-in Functions Pseudovariables Storage Control Built-in Functions String-handling Built-in Functions Built-in Subroutines String Built-in Functions Built-in Function Arithmetic Built-in Functions Miscellaneous Functions Stream Function Built-in Subroutines PL/1 Program Structure Flow of Control Invoking a Function Procedure The Returns Attribute in Functions Calling a Procedure with Arguments in Dynamic Storage Calling a Procedure with Arguments in Static Storage Returning Results to a Calling Program Dummy Arguments PL/1 Sort Feature Sort Data Sets Sort Program Additional Examples - Not in Student Hand-out...63 Chapter 15: Programming Guidelines Exercise - Programming Guidelines Compiler Options - Selecting GET/PUT DATA GOTO Statements String Assignments Loop Control Variables REDUCIBLE DEFINED and UNION Binary Search Named Constants and Static Variables Avoiding Calls to Library Routines...16 CETi / COMPUTER EDUCATION TECHNIQUES, INC. (PL/1 Prg ) INS TOC: Page 7

Chapter 1 INTRODUCTION. SYS-ED/ Computer Education Techniques, Inc.

Chapter 1 INTRODUCTION. SYS-ED/ Computer Education Techniques, Inc. Chapter 1 INTRODUCTION SYS-ED/ Computer Education Techniques, Inc. Objectives You will learn: Facilities and features of PL/1. Structure of programs written in PL/1. Data types. Storage classes, control,