Day 6

06/01.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+read line
+
+anglerfishes=( ${line//,/ } )
+for i in $(seq 80); do
+  new_anglerfishes=()
+  for j in $(seq ${#anglerfishes[@]}); do
+    if [ ${anglerfishes[$((j-1))]} -eq 0 ]; then
+      anglerfishes[$((j-1))]=7
+      new_anglerfishes+=( 8 )
+    fi
+    anglerfishes[$((j-1))]=$((anglerfishes[j-1]-1))
+  done
+  anglerfishes+=("${new_anglerfishes[@]}")
+done
+echo ${#anglerfishes[@]}