Ubuntu Unleashed 2015 Edition: Covering 14.10 and 15.04, Tenth Edition

A Simple Perl Program

This section introduces a very simple Perl program example to get you started using Perl. Although trivial for experienced Perl hackers, a short example is necessary for new users who want to learn more about Perl.

To introduce you to the absolute basics of Perl programming, Listing 41.1 illustrates a simple Perl program that prints a short message.

LISTING 41.1 A Simple Perl Program

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#!/usr/bin/perlprint 'Look at all the camels!\n';

Type that in and save it to a file called trivial.pl. Then make the file executable using the chmod command (see the following sidebar) and run it at the command prompt.

Command-Line Error

If you get the message bash: trivial.pl: command not found or bash: ./trivial.pl: ...