From a7cfe19e7988033b8b37d4effedcf01ee203ff0e Mon Sep 17 00:00:00 2001
From: Abigail <abigail@abigail.freedom.nl>
Date: Mon, 27 Dec 2021 18:20:34 +0100
Subject: Week 145

---
 challenge-145/abigail/lua/ch-2.lua | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 challenge-145/abigail/lua/ch-2.lua

(limited to 'challenge-145/abigail/lua/ch-2.lua')

diff --git a/challenge-145/abigail/lua/ch-2.lua b/challenge-145/abigail/lua/ch-2.lua
new file mode 100644
index 0000000000..521f8b0acf
--- /dev/null
+++ b/challenge-145/abigail/lua/ch-2.lua
@@ -0,0 +1,26 @@
+#!/opt/local/bin/lua
+
+--
+-- See ../README.md
+--
+
+--
+-- Run as: lua ch-2.lua < input-file
+--
+
+for line in io . lines () do
+    local palindromes = {}
+    local out = ""
+    for i = 1, #line do
+        for j = i, #line do
+            local string = line : sub (i, j)
+            if string == string : reverse () then
+                if palindromes [string] == nil
+                then out = out .. string .. " "
+                     palindromes [string] = 1
+                end
+            end
+        end
+    end
+    print (out : sub (1, #out - 1))
+end
-- 
cgit