planet;World|Earth
planet;celestial body|moon
psychology;therapy|sociology
psychology;humanity|sociology

##</code><code>##

#!/usr/bin/perl
use strict;
use warnings;
 
my $file = $ARGV[0] or die "Need to get CSV file on the command line\n";
 
my $sum = 0;
open(my $data, '<', $file) or die "Could not open '$file' $!\n";
 
while (my $line = <$data>) {
	
  chomp $line;
 print $line;
  my ($target,$variables) = split (/;/ , $line);
  print $target."\n";
  print $variables."\n";
}

##</code><code>##

planet
World|Earth
planet