Perl
10 Green Bottles
by Rob Poulter
# 10 Green Bottles in Perl
my $bottles = 10; # original number of bottles
# for loop to iterate through the bottles in reverse order
for (my $i = $bottles; $i > 0; $i--)
{
# Default plural for this number of bottles
my $plural = "s";
# Change the plural to none if there is only one bottle
$plural = "" if ($i == 1);
# The plural of the next number of bottles
my $next_plural = "s";
# Change the plural if the current number of bottles is two
$next_plural = "" if ($i == 2);
# How many bottles are there next time?
my $next = $i - 1;
# Change next to the word NO if there is only one bottle now
$next = "NO" if ($i == 1);
print "$i green bottle$plural, sitting on the wall!n";
print "And if one green bottle should accidentally fall,n";
print "There'd be $next green bottle$plural, sitting on the wall!nn";
Comments (0)
You don't have permission to comment on this page.