1 files changed, 18 insertions, 0 deletions
diff --git a/challenge-112/abigail/awk/ch-2.awk b/challenge-112/abigail/awk/ch-2.awk
new file mode 100644
index 0000000000..57f4b8cc6f
--- /dev/null
+++ b/challenge-112/abigail/awk/ch-2.awk
@@ -0,0 +1,18 @@
+#!/usr/bin/awk
+
+#
+# See ../README.md
+#
+
+#
+# Run as: awk -f ch-2.awk < input-file
+#
+
+BEGIN {
+    SQRT5 = sqrt (5)
+    PHI   = (1 + SQRT5) / 2
+}
+
+{
+    print int (0.5 + PHI ^ ($1 + 1) / SQRT5)
+}