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       01.sh - aoc22 - 2022 Advent of Code
  HTML git clone https://git.parazyd.org/aoc22
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       ---
       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"