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 contact ABIS.

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.

Reviews

Goed. Trainer is helder. Het gedeelte van CICS was conceptueel gezien helder alleen erg veel om te bevatten.

 
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Bien adapté aux besoins des débutants. Mais aurait pû etre plus poussé (je suivrai probablement le cours 'advanced')

 
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Il faudrait une journée supplémentaire afin de progresser pluslentement dans le niveau des exercices.

 
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