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--- /dev/null
+#!/usr/bin/perl -nl
+# Use Perl's multi-byte alignment code, via sprintf, while
+# performing a rudimentary check for duplicate names and
+# removing duplicate name,email pairs.
+use Encode;
+
+BEGIN { my (%elide, %seen, %name) }
+
+chomp;
+my ($name, $email) = split '0円', decode ('UTF-8', $_);
+
+if ($elide{"!$name"}) {
+; # ignore this author
+} elsif (index ($name, '!') == 0) {
+ $elide{$name}++;
+} elsif ($seen{$name}++) {
+ warn "0ドル: NO-THANKS: duplicate name: $name\n";
+} else {
+ print encode ('UTF-8', sprintf ('%-36s', $name)), $email;
+}