$ which perl /usr/bin/perl #### # hello.pl # - Displays a warm greeting print "Hello, World!\n"; #### # hello.pl # Displays a warm greeting. #### $ perl hello.pl Hello, World! $ #### print "Hello, World!"; #### $ perl hello.pl Hello, World!$ #### # hello.pl # Displays a warm greeting. my $name = "Brian"; print "Hello, $name!\n"; #### $ perl hello.pl Hello, Brian! $ #### my $name = "Brian"; # My scalar variable called 'name' has the value "Brian" #### print "What is your name? "; my $name = ; print "Hello, $name!\n"; #### $ perl hello.pl What is your name? Brian Hello, Brian ! $ #### print "What is your name? "; my $name = ; chomp($name); print "Hello, $name!\n"; #### $ perl hello.pl What is your name? Brian Hello, Brian! $