Add init-day.sh script with template.rb

init-day.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+BASEDIR=$(dirname "$0")
+
+if [ ! -z "$1" ]
+then
+  DAY=$(printf "%02d" "$1")
+else
+  DAY=$(date +%d)
+fi
+
+cd $BASEDIR/
+
+if [ ! -d $DAY ]
+then
+  mkdir $DAY
+fi
+
+if [ ! -f $DAY/script.rb ]
+then
+  sed "s/NB/$DAY/" template.rb >$DAY/script.rb
+fi

template.rb

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+require_relative '../common'
+
+class DayNB < Day
+  def part1
+  end
+
+  def part2
+  end
+end
+
+DayNB.run