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-rw-r--r--challenge-117/abigail/perl/ch-1.pl7
1 files changed, 7 insertions, 0 deletions
diff --git a/challenge-117/abigail/perl/ch-1.pl b/challenge-117/abigail/perl/ch-1.pl
index 21d7c70d6c..3c805b2d36 100644
--- a/challenge-117/abigail/perl/ch-1.pl
+++ b/challenge-117/abigail/perl/ch-1.pl
@@ -27,3 +27,10 @@ use experimental 'lexical_subs';
use List::Util qw [sum];
say 120 - sum <>;
+
+#
+# An alternative one-liner, with no external modules, nor any hard
+# coded dependency of the number of lines in the file:
+#
+
+# perl -nE '$;+=$.-$_;END{say$.+1+$;}'