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       02.sh - aoc - Advent of Code
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       ---
       02.sh (278B)
       ---
            1 #!/bin/sh
            2 
            3 elves=""
            4 elf=0
            5 
            6 while read line; do
            7         if [ -z "$line" ]; then
            8                 elves="$elves $elf"
            9                 elf=0
           10                 continue
           11         fi
           12         elf=$(( elf + $line ))
           13 done
           14 
           15 printf "%s" "$elves" | tr ' ' '\n' | sort -n | tail -n3 | while read line; do
           16         tot=$(( tot + $line ))
           17         echo "$tot"
           18 done | tail -n1