Shell Script Programming in z/OS UNIX

Course Number:  596-JK
Recommended Duration:  3 days

Intended 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.

Course Overview
Students learn to use advanced capabilities of UNIX System Services running under z/OS.  There are 19 hands-on exercises, as well as a number of structured computer experiments.

Objectives
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.

Prerequisites
Fundamental knowledge of z/OS UNIX system services, such as might be obtained from attending Introduction to z/OS UNIX .

Topics

• 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