01.sh - aoc22 - 2022 Advent of Code
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       01.sh (925B)
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            1 #!/bin/sh
            2 
            3 pc_score=0
            4 me_score=0
            5 
            6 while read -r line; do
            7         pc="${line% *}"
            8         me="${line#* }"
            9 
           10         # A, X => rock, 1
           11         # B, Y => paper, 2
           12         # C, Z => scissors, 3
           13         case "${pc}${me}" in
           14         AX)
           15                 pc_score=$(( pc_score + 1 + 3 ))
           16                 me_score=$(( me_score + 1 + 3 ))
           17                 ;;
           18         AY)
           19                 pc_score=$(( pc_score + 1 + 0 ))
           20                 me_score=$(( me_score + 2 + 6 ))
           21                 ;;
           22         AZ)
           23                 pc_score=$(( pc_score + 1 + 6 ))
           24                 me_score=$(( me_score + 3 + 0 ))
           25                 ;;
           26         BX)
           27                 pc_score=$(( pc_score + 2 + 6 ))
           28                 me_score=$(( me_score + 1 + 0 ))
           29                 ;;
           30         BY)
           31                 pc_score=$(( pc_score + 2 + 3 ))
           32                 me_score=$(( me_score + 2 + 3 ))
           33                 ;;
           34         BZ)
           35                 pc_score=$(( pc_score + 2 + 0 ))
           36                 me_score=$(( me_score + 3 + 6 ))
           37                 ;;
           38         CX)
           39                 pc_score=$(( pc_score + 3 + 0 ))
           40                 me_score=$(( me_score + 1 + 6 ))
           41                 ;;
           42         CY)
           43                 pc_score=$(( pc_score + 3 + 6 ))
           44                 me_score=$(( me_score + 2 + 0 ))
           45                 ;;
           46         CZ)
           47                 pc_score=$(( pc_score + 3 + 3 ))
           48                 me_score=$(( me_score + 3 + 3 ))
           49                 ;;
           50         esac
           51 done
           52 
           53 echo "$me_score"