Bash: 2022 day 4 part 2

2022/day04/aoc.bash

@@ -22,11 +22,9 @@ parse() {
 
     while IFS=-, read -ra _arr; do
         # arrange the two sections so that the lowest is the first
-        printf "_arr=%s\n" "${_arr[*]}"
         if ((_arr[0] > _arr[2])); then
             ((_tmp=_arr[0], _arr[0]=_arr[2], _arr[2]=_tmp))
             ((_tmp=_arr[1], _arr[1]=_arr[3], _arr[3]=_tmp))
-            printf "\t->%s\n" "${_arr[*]}"
         fi
         sections+=("${_arr[*]}")
     done
@@ -45,6 +43,17 @@ part1() {
     done
 }
 
+part2() {
+    declare -ig res=0
+    local -a _sect
+
+    for line in "${sections[@]}"; do
+        # shellcheck disable=SC2206
+        _sect=($line)
+        (( _sect[2] <= _sect[1] )) && (( res++ ))
+    done
+}
+
 solve() {
     if (($1 == 1)); then
         part1