aoc22

2022 Advent of Code
git clone https://git.parazyd.org/aoc22
Log | Files | Refs

01.sh (404B)

      1 #!/bin/sh
      2 
      3 common=0
      4 
      5 while read -r line; do
      6 	range0="${line%,*}"
      7 	min0="${range0%-*}"
      8 	max0="${range0#*-}"
      9 
     10 	range1="${line#*,}"
     11 	min1="${range1%-*}"
     12 	max1="${range1#*-}"
     13 
     14 	if [ "$min0" -le "$min1" ] && [ "$max0" -ge "$max1" ]; then
     15 		common="$(( common + 1 ))"
     16 		continue
     17 	fi
     18 
     19 	if [ "$min0" -ge "$min1" ] && [ "$max0" -le "$max1" ]; then
     20 		common="$(( common + 1 ))"
     21 		continue
     22 	fi
     23 done
     24 
     25 echo "$common"