Delegates will learn how to
- code typical commercial PL/I programs using efficient and structured code
- write efficient and structured code
- compile, test and debug PL/I programs
- access and use the online PL/I manuals effectively.
Format,; PL/1 character set; Keywords,; coding standards.Declarations
Files; Character; Bit; Decimal; Binary. Picture; Initialization.Files
Sequential input and output; fixed length records; move mode and locate mode; stream output for errors and debugging; print files; ENVIRONMENT option.Assignments
Data conversion and precision; expression evaluation, operators.Structures and arrays
Expressions; assignments; LIKE; BY NAME; initialization.Program logic
IF THEN ELSE; SELECT; DO loops.Program structure
Procedures; internal and external; function procedures; arguments and parametersCondition handling
General concepts; enabling and disabling ERROR and ENDFILE etc..Storage
Automatic; static, based; aligned and unaligned; internal and external pointers and addresses.Built-in functions
SUBSTR; ADDR; VERIFY; DATETIME; TRANSLATE; others.Compiler options
GONUMBER; LIST; OPTIMIZE; AGGREGATE; ATTR & XREF; others.Efficiency and debugging
STATIC; REORDER; others.Standards
Standards, whether general or in house, are emphasisedTesting and debugging
Compile; link edit; JCL; program execution; test data creation; error messages.
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