From 419376949f43085fa83ee247de0526b46a631b89 Mon Sep 17 00:00:00 2001
From: Bruno Raoult <braoult@gmail.com>
Date: Wed, 28 Jul 2021 16:53:15 +0200
Subject: [PATCH] remove dead code

---
 2020/day20/tile.bash | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/2020/day20/tile.bash b/2020/day20/tile.bash
index fc9e6e0..44e0318 100755
--- a/2020/day20/tile.bash
+++ b/2020/day20/tile.bash
@@ -53,19 +53,6 @@ final_add() {
     done
 }
 
-trim_borders() {
-    local k s
-    for k in "${!strings[@]}"; do
-        s=${strings[$k]}
-        s=${s//? ?/ }
-        s=${s#?}
-        s=${s%?}
-        s=${s#* }
-        s=${s% * }
-        strings[$k]="$s"
-    done
-}
-
 flip_v() {
     local -i t=$1 i
     # shellcheck disable=SC2206