TSO/E REXX

During this course:

  • participants learn the practical of the basic principles of the REXX procedural language in the TSO/E environment;
  • they learn to use REXX as programming language and as supporting procedural language with the interaction with TSO and the manipulation of datasets;
  • the REXX test and debugging facilities are explained;
  • the built-in functions of REXX are treated practically.

This course is a good preparation for the course ISPF dialog manager.

Schedule

No public sessions are currently scheduled. We will be pleased to set up an on-site course or to schedule an extra public session (in case of a sufficient number of candidates). Interested? Please let us know.

Intended for

Programmers, analysts, system programmers, job schedulers, people responsible for support.

Background

Programming experience (see course Programming fundamentals). Use of ISPF/PDF (see course ISPF/PDF basics); notions of the basic TSO commands.

Main topics

  • REXX execution concepts in TSO/E:

Language processor environment • interfaces • stacking mechanism

  • REXX statements:

Syntax, instructions • built-in functions • variables • expressions • arithmetic calculations • string treatment

  • REXX execs:

Calling • writing • and debugging of REXX execs.

Logical flow (DO-groups, SELECT, ...) • subroutines • terminal communication • file treatment

  • Data parsing
  • Advanced topics:

Parameter transmission • interactive tracing • TSO/E external functions

Training method

Classroom instruction. About half the time is spent on practical exercises.

Duration

2 days.

Course leader

Guido Indesteege.


SESSION INFO AND ENROLMENT