November 2013
Beginner
900 pages
56h 6m
English
book
Ubuntu Unleashed 2014 Edition: Covering 13.10 and 14.04,Ninth Edition
by Matthew Helmke, Andrew Hudson, Paul Hudson
Content preview from Ubuntu Unleashed 2014 Edition: Covering 13.10 and 14.04,Ninth Edition
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Conditional Statements: if/else and unless
Perl offers two conditional statements, if and unless, which function opposite one another. if enables you to execute a block of code only if certain conditions are met so that you can control the flow of logic through your program. Conversely, unless performs the statements when certain conditions are not met.
The following sections explain and demonstrate how to use these conditional statements when writing scripts for Linux.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.