Web Application Deployment - Korn Shell - interactive and programming facilities

Web Application Deployment module A172

Korn Shell - interactive and programming facilities

Exercises, examples and other material relating to training module A172. This module is presented on Private Courses and Specially Run Courses only

Korn Shell Scripting - an introduction

div class= introhead Korn Shell Programming /div div class= introsubheads A FIRST PROGRAM AND A FIRST CONDITIONAL BR /div Here s what you might ...

http://www.wellho.net/solutions/general- ... ction.html [longer article]

Korn Shell - Basics

div class= introhead What is a Shell Program / Script /div A Shell is a program which reads user inputs and controls program output - a command line ...

http://www.wellho.net/solutions/general- ... asics.html [longer article]

Korn Shell - History, storing to file, commands

div class= introhead Storing a Korn shell program in a file /div You won t always want to re-type your Korn shell instructions each time you want ...

http://www.wellho.net/solutions/general- ... mands.html [longer article]

String, Integer, Array, Associative Array - ksh variables

• In the Korn Shell, variables default to be being strings ... $ r 26 kay=7 $ r 30 while (( $kay>3 )); do echo $kay kay=$kay-1 done; 7 7-1 7-1-1 ...

http://www.wellho.net/mouth/1659_Str ... ables.html [short article]

for loop - Korn Shell

#!/usr/bin/ksh county=Wiltshire town[0]=Swindon town[1]=Salisbury town[2]=Chippenham town[3]=Trowbridge town[4]=Melksham town[5]='Wootton Bassett' print ...

http://www.wellho.net/resources/ex.php4?item=a172/sharon [code sample]

korn tips - some useful korn shell techniques

1. If you set PS1 to a string that contains a "!" character, then you'll get the current history number reported as part of the prompt. If you want ...

http://www.wellho.net/mouth/1367_kor ... iques.html [short article]

Korn shell course

It's been quite a while since I presented a course that majored on the Korn Shell - I know the subject right enough (having written a complete 2 day course ...

http://www.wellho.net/mouth/1361_Kor ... ourse.html [short article]

This module is presented on Private Courses and Specially Run Courses only

Examples from our training material

dat_backup	Simple shell script to back up file
dat_backup2	Uses bourne shell compatible tests
dat_backup3	Korn shell conditional testing
filestat	Comparing one or two files
funky	Define a function - Korn shell
gvar	ksh - global and local variables
hello_korn	Korn shell commands in a file
kornserver.cgi	Korn shell / web script using CGI
numtee	Korn Shell - numeric (integer) testing
pippa	Setting up and referencing a Ksh array
script_korn	Korn shell script
selk	Korn Shell - Select example
sharon	for loop - Korn Shell
stroppy	String Test Operators
townline	Selects a town ending
tracey	Korn shell array and while loop

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

Introduction to Shells and the Korn Shell.
Korn Shell Basics.
Metacharacters, quoting, pipes and redirection.
Continuation and line splitting.
History. Storing a script in a file.
Startup files.
Builtins, special commands and external commands.
Aliases. Functions.
if, elif and fi.
while, do, done.
Until and for.
case and esac.
break, continue and return.
Arrays in Ksh. Integer Arithmetic.
Logical tests - commands and others
Testing files, numbers and strings.
Handling command line parameters.

Complete learning

If you are looking for a complete course and not just a information on a single subject, visit our Listing and schedule page.

Well House Consultants specialise in training courses in Linux and LAMP,Python, Perl, PHP, and MySQL. We run Private Courses throughout the UK (and beyond for longer courses), and Public Courses at our training centre in Melksham, Wiltshire, England. It's surprisingly cost effective to come on our public courses - even if you live in a different country or continent to us.

We have a technical library of over 700 books on the subjects on which we teach. These books are available for reference at our training centre. Also available is the Opentalk Forum for discussion of technical questions.