my %ad;
for my $line ( <STDIN> ) {
-
if ($line =~ /^\s*$/) {
- # print out the hash
+ # print out the previous add sorted by key then reset the hash for a new ad.
if (%ad) {
for (sort keys %ad) { print $_; }
undef %ad;
}
}
$ad{$line} = 1;
-
}
+# print the last ad sorted by key
if (%ad) {
for (sort keys %ad) { print $_; }
undef %ad;
