U515 Shell Script Programming in z/OS UNIX

Course Code: U-515
Recommended Duration: 3 Days

Benefits

Students who complete this course will be able to use many of the advanced capabilities of UNIX System Services running under z/OS. This is an intense, practical encounter with the UNIX world as implemented on the z/OS platform, and a natural follow on to the course U510: "Introduction to z/OS UNIX".

Audience

Programmers experienced with working in an OS/390 or z/OS environment who will be designing and coding applications that are to be run using z/OS UNIX, especially Web-based applications.

Prerequisites

Fundamental knowledge of z/OS UNIX system services, such as might be obtained from attending our course U510: "Introduction to z/OS UNIX".

Related IBM Materials

This course is drawn from these and other IBM manuals; access to these publications in the classroom is desirable but not required:

SA22-7801 - z/OS UNIX User's Guide
SA22-7802 - z/OS UNIX Command Reference

Major Topics Include

Introduction to scripting concepts
Running UNIX applications: shells, processes, and such
Regular expressions
grep, egrep, fgrep commands
The shell line editor: ed
The find command
find and grep together
Introduction to shell scripts
read, clear, getconf commands
Logic in scripts: if, test, pathchk
Looping in scripts: [[ ]], until, while, nested loops, break, continue
Variable manipulations: let, expr, typeset, integer
Parameters in shell scripts: for; special parameters; array variables
More script logic: select, case, getopts
Functions (in scripts and stand alone)
Shell flags and options; set and unset
z/OS shell processing; sh, exec, whence, type, eval, xargs
sed: the Stream Editor
Using sed scripts to convert plain text to HTML
Using sed scripts to create HTML files from flat data files
Sorts: tsort, sort
File compares and more
Running shell scripts in batch: BPXBATCH, BPXBATSL
The OSHELL command

Exercises

There are 19 hands-on exercises, as well as a number of structured Computer Experiments.

Course Description

Shell Script Programming in z/OS UNIX