Some updates to the environment

* direnv setup
* aoc script
* timer script

sbin/aoc

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+today() {
+  echo "Going to today"
+  TODAYDIR="$AOCROOT/$CURRYEAR/day$CURRDAY" 
+  if [ ! -d $TODAYDIR ]; then
+    echo "> Doesn't exist, making"
+    mkdir $TODAYDIR
+  fi
+  echo "> cd $TODAYDIR"
+  cd $TODAYDIR
+}
+
+getproblem() {
+  YR=$CURRYEAR
+  DY=$CURRDAY
+
+  PWD=$(pwd)
+  PWD=${PWD#$AOCROOT/}
+  echo $PWD
+  if [[ "$PWD" =~ ^[1-9][0-9]{3}/day[0-2][0-9]$ ]]; then
+    YR=${PWD:0:4}
+    DY=${PWD:5:5}
+    DY=${DY/day0/}
+    DY=${DY/day/}
+  else 
+    echo "Changing to Today's Directory"
+    cd $AOCROOT/$YR/day$DY
+  fi
+
+  if [[ -f "problem" ]]; then
+    echo "Found problem file."
+    if [[ $1 != "-f" ]]; then
+      # Check if the file already exists
+      echo "Not forcing overwrite."
+      exit 1
+    fi
+  fi
+
+  # Remove any zero padding from day
+  DY=$(echo "$CURRDAY"|awk '$0*=1')
+  echo "Getting problem at $CURRYEAR/day/$DY"
+  elinks -dump https://adventofcode.com/$CURRYEAR/day/$DY > problem
+  vim problem
+}
+
+getsessiontoken() {
+  FULLCOOKIE=$(grep "adventofcode" $HOME/.elinks/cookies)
+  if [[ ! -n "$FULLCOOKIE" ]]; then
+    echo "Error pulling elinks cookie"
+    exit 1
+  fi
+  echo $FULLCOOKIE | cut -d" " -f2
+}
+
+help() {
+  echo "Usage: aoc [option]"
+  echo "Available Options:"
+  echo "" 
+  echo "  getproblem      - Retrieve the problem for the day associated with the current directory"
+  echo ""
+  echo "  getsessiontoken - Echo the session token from the elinks cookie file"
+  echo "" 
+  echo "  help            - Display this message"
+  echo "" 
+}
+
+case $1 in
+  "getproblem") 
+    getproblem $2
+    ;;
+  "getsessiontoken")
+    getsessiontoken
+    ;;
+  *) 
+    help
+    ;;
+esac