On the command line one can type:
perl -e "print 42"
perl -v
perl -V
Example 4-1. examples/intro/hello_world.pl #!/usr/bin/perl
use strict;
use warnings;
print "Hello world\n";
print 42, "\n";
run it by typing
perl hello_world.plOn unix you can also make it executable:
chmod u+x hello_world.pl
and then run like:
./hello_world.pl A couple of notes
Strings and numbers Strings must be quoted, you can use special characters such as "\n" The print statement (Output) - gets comma delimitered list of things ; after every statement
If you are interested in on-site trainings by the author, please
contact me directly.
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