Advanced UNIX course 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.
Who will benefit?
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 training course prerequisites
UNIX shell programming.
UNIX training course objectives
By the end of the course delegates will be able to:
- Use regular expressions within grep, ed and many other utilities.
- Use awk and sed.
- Integrate sed and awk into shell scripts.
- Write shell scripts using new Korn shell features including:
- The select construct
- Arrays
- Arithmetic evaluation
Duration: 3 days
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Advanced UNIX course contents
Review of UNIX fundamentals
Regular Expressions
What are REs? How can they be used? How to write REs.
More REs
Tagging, matching words, repetitions.
The sed editor
Basic usage: Saving output, options.. sed script files, sed commands, Specifying lines to edit,
Hold space and pattern space, advanced commands
awk
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
Korn 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}
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