this is a differenet branch so this can be the commit message

tools/Cleanup

@@ -0,0 +1,36 @@
+#!/bin/env bash
+
+# Usage: ./Cleanup [FILE]...
+
+lint_file() {
+  cppcheck --enable=all --quiet "$1"
+}
+
+whitespace_cleanup() {
+  sed -i 's/[ \t]*$//' "$1"
+  awk 'BEGIN{ORS=""} {print $0 "\n"} END{}' "$1" > "$1.tmp" && mv "$1.tmp" "$1"
+}
+
+comment_check() {
+  if grep -n -E 'TODO|FIXME' "$1"; then
+    echo "[WARN] $1 contains TODO/FIXME comments."
+  fi
+}
+
+process_file() {
+  clang-format -i "$1"
+  tools/check_header_footer "$1"
+  lint_file "$1"
+  whitespace_cleanup "$1"
+  comment_check "$1"
+}
+
+if [[ $# -gt 0 ]]; then
+  for file in "$@"; do
+    process_file "$file"
+  done
+else
+  for file in $(find yait core -type f \( -name "*.c" -o -name "*.h" \)); do
+    process_file "$file"
+  done
+fi