Learn PLI with Real Code Examples

Understand mainframe environment and JCL

Learn basic PLI syntax and procedures

Practice arrays, records, and tables

Develop small batch processing programs

Study legacy systems and integration patterns

Week 1: PLI syntax and variable types

Week 2: Arrays, records, and tables

Week 3: Procedures and modular routines

Week 4: Batch job creation and execution

Week 5: Enterprise mainframe application maintenance

What is PLI and what was it designed for?

How does PLI differ from COBOL and FORTRAN?

Explain structured programming in PLI.

What are the typical applications of PLI?

How do you maintain legacy PLI systems?

DECLARE x FIXED BIN(31); - declare integer variable

DECLARE rec RECORD (field1 FIXED BIN(31), field2 CHAR(10));

PROCEDURE name(); - define procedure

IF condition THEN … ELSE … ENDIF; - conditional

DO i = 1 TO 10; … ENDDO; - loop

Programming in PL/I / PLI by IBM

Structured Programming with PLI

Enterprise Batch Processing with PLI

Mainframe Systems Programming with PLI

Legacy IBM Software Development Practices

PLI syntax and variable types

Procedures, records, and tables

Loops and conditionals

File and batch processing

Developing enterprise mainframe applications

IBM PL/I Language Reference

IBM mainframe PLI compiler manuals

Enterprise batch processing documentation

IBM mainframe forums and user groups

Legacy enterprise system communities

Archived PL/I/PLI tutorials

Corporate mainframe teams

University archives for legacy programming

IBM legacy programming forums

Mainframe and enterprise user groups

University archives with PLI documentation

Internal corporate mainframe teams

Historical programming resources