Advanced UNIX shell programming

Description

A follow on hands on course from the Introduction to
shell programming course covering the powerful sed
and awk tools along with the extra Korn shell
programming features.

What will you learn

Advanced UNIX shell scripting training course details

Programmers developing applications under UNIX.

Administrators who need time saving utilities.
Technical
personnel who wish to make the most out of the Korn
Shell.

UNIX shell scripting

3 days

What are REs? How can they be used? How to
write REs

e REs
Tagging, matching words, repetitions.

Basic usage: Saving output, options. sed script
files, sed commands, Specifying lines to edit, Hold
space and pattern space, advanced commands

Basic usage, nawk script files, Patterns, Records
and fields,
Actions
if, while, do, for...
System variables
NF, NR, RS...

Arrays
Functions
length, printf, cos, user defined...
Using nawk in shell scripts

Review of Bourne shell scripts

functions...

Variables

typeset, manipulating strings
Arrays

Arithmetic evaluation

the let command, (( )),

typeset -i

The select construct

Syntax, workings, REPLY, PS3

Miscellaneous

Enhanced I/O, ${10}