Day zero - bash

.gitignore

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+*/input
+*.swp
+

README.md

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+# AOC 2022
+
+## Goal Languages
+
+- [x] BASH
+  - [Day 0](./day-0)
+- [] C
+- [] Clojure
+- [] Common LISP
+- [] C++
+- [] Dart
+- [] Elixir
+- [] Emacs Lisp
+- [] Haskell
+- [] Java
+- [] JavaScript
+- [] Kotlin
+- [] PHP
+- [] Python
+- [] Ruby
+- [] TypeScript

day-0/sol.sh

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+#!/bin/bash
+
+# USAGE: ./sol.sh (n: top elves)
+
+NUM_ELVES=${1:-3}
+
+declare -a ELVES=()
+for (( i = 0; i<$NUM_ELVES; i++))
+do
+  ELVES+=(0)
+done
+
+
+add_to_elves () {
+  local max=$1
+  for (( i = 0; i<${NUM_ELVES}; i++));
+  do
+    local tmp="${ELVES[$i]}";
+    if [[ $max -ge $tmp ]];
+    then
+      ELVES[$i]=$max 
+      max=$tmp
+    fi
+  done
+}
+
+CURRENT_ELF=0
+while read -r line
+do
+  if [[ -z "$line" ]];
+  then
+    add_to_elves $CURRENT_ELF 
+    CURRENT_ELF=0 
+  else
+    CURRENT_ELF=$((CURRENT_ELF+line))
+  fi
+done < input
+
+echo "MAX ELF = ${ELVES[0]}"
+echo "sum(TOP $NUM_ELVES ELVES) = $(printf "%s\n" $(echo "${ELVES[*]}") | paste -sd+ - | bc)"