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Perl module P258
Solaris, OSX and Linux
Exercises, examples and other material relating to training module P258. This module is presented on Private Courses and Specially Run Courses only




Articles and tips on this subjectupdated
2834Teaching examples in Perl - third and final part
Three part article ... this is part 3. Jump back to part [1] [2] Following on from two earlier posts, here is the final third of the new examples that I wrote during last week's Perl course, and to which I have added extra documentation over the last couple of days. P212 More on Character Strings "Does ...
2010-06-27
(longer)
2022Pre and post increment - the ++ operator
The ++ (increment) operator in PHP (and Perl, and C, and Ruby) adds one to the value held in a variable and saves the result back in the same variable. But you'll see both $n++; and ++$n; in code. What is the difference? If you write the ++ in front of the variable name, the variable is incremented ...
2009-02-03
 
1702Running operating system commands in Perl
Perl is excellent "glueware" - a language which can be well used to connect together a whole lot of elements. And one of those elements may be operating system commands run from within the Perl program. Here are (three!) ways that you can do it - in each case leaving the result of running the commands ...
2008-07-10
 
1633Changing a screen saver from a web page (PHP, Perl, OSX)
Here's a challenge. I want to change the screen saver on a mac mini, running OSX, from a browser anywhere in the world. You may well ask why ... the screen of the mac mini is to be visible at Well House Manor where it will provide an information screen at the front door when it's not otherwise in ...
2008-05-07
 
Examples from our training material
change_screen.pl   Changing Images and starting Screensaver
sed_awk   Linux / Unix system calls
Pictures
Perl class, Saudi Arabia
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
Sourcing and Installation.
Installing Perl modules from the CPAN.
Operating System command access.
End-of-line characters.
forking.
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 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.


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