Add Linear Search in Lua (#5171)

Author: ConnorJohnHughes

archive/l/lua/linear-search.lua

@@ -0,0 +1,44 @@
+
+local args = {...}
+
+local nums_str = args[1]
+
+local key = tonumber(args[2])
+
+local numbers = {}
+
+local found = false
+
+    if #args ~= 2 then
+        print('Usage: please provide a list of integers ("1, 4, 5, 11, 12") and the integer to find ("11")')
+        return
+    end
+    
+    if not key then
+
+        print('Usage: please provide a list of integers ("1, 4, 5, 11, 12") and the integer to find ("11")')
+        return
+    end
+
+    if #nums_str < 1 then
+          print('Usage: please provide a list of integers ("1, 4, 5, 11, 12") and the integer to find ("11")')
+        return
+    end
+
+for num in string.gmatch(nums_str, '([^,]+)') do
+    table.insert(numbers, tonumber(num))
+end
+
+
+
+
+for i = 1, #numbers do
+
+    if numbers[i] == key then
+        found = true
+
+      break
+    end
+end
+
+print(found and "true" or "false")