function magazines() {
  checkargn $# 2
  magtype="$1"
  req="$2"
  available_mag=0
  if [ -z "$magtype" ]; then
    log_and_exit1 "ERROR: no magazine type given"
  elif [ "$magtype" = "available" ]; then
    checkargn $# 1
    if [ -d "$MAGAZINES" ]; then
      for file in $MAGAZINES/*
      do
        if [[ ! $file = *"README.md"* ]]; then
          echo "${file##*/}" | sed -e 's/^download-//' -e 's/.sh$//'
        fi
      done
      exit 0
    else
      log_and_exit1 "ERROR: $MAGAZINES directory does not exist"
    fi
  elif [ "$magtype" = "downloaded" ]; then
    checkargn $# 1
    if [ -d ~/Documents ]; then
      available=($(magazines available))
      for magazine in "${available[@]}"
      do 
        if [ -d ~/Documents/$magazine ]; then
          echo $magazine
          ls -v1 ~/Documents/$magazine | sed -e 'y/ /\n/;P;D' | sed -e 's/^/└──/'
        fi
      done
    else
      echo "No magazines have been downloaded yet"
    fi
    exit 0
  fi
  for file in $MAGAZINES/*; do
    if [ "$magtype" = "$(echo "${file##*/}" | sed -e 's/^download-//' -e 's/.sh$//')" ]; then available_mag=1; fi
  done
  if [ $available_mag = 0 ]; then
    echo "Please specify a valid magazine type, these include: magpi, hackspace, wireframe, helloworld"
  elif [ "$req" = "" ]; then checkargn $# 1; source $MAGAZINES/download-$magtype.sh && info
  elif [ "$req" = "url" ]; then source $MAGAZINES/download-$magtype.sh && $req
  elif [ "$req" = "latest" ] || [ "$req" = "all" ] || [[ "$req" =~ ^[0-9]+$ ]]; then
    checkinternet
    mkdir -p ~/Documents/$magtype
    cd ~/Documents/$magtype || return
    if [[ "$req" =~ ^[0-9]+$ ]]; then source $MAGAZINES/download-$magtype.sh && number
    else source $MAGAZINES/download-$magtype.sh && $req; fi
    cd - &>/dev/null || return
    echo "Requested issue(s) saved in the ~/Documents/$magtype directory"
  elif [ "$req" = "list" ]; then 
    if [ -d ~/Documents/$magtype ]; then
      echo $magtype
      ls -v1 ~/Documents/$magtype | sed -e 'y/ /\n/;P;D' | sed -e 's/^/└──/'
    else
      echo "No $magtype magazines have been downloaded yet"
    fi
  else
    magazines_help
  fi
}

function magazines_help {
  echo
  echo "Usage: $BASENAME magazines <available|downloaded> <helloworld|hackspace|magpi|wireframe> [all|latest|number]"
  echo
  echo "This downloads the specified issue of a magazine as a pdf with filename <mag_type>#.pdf based on user input"
  echo
  echo "Example:"
  echo
  echo "  $BASENAME magazines available"
  echo "      hackspace"
  echo "      helloworld"
  echo "      magpi"
  echo "      wireframe"
  echo
  echo "  $BASENAME magazines downloaded"
  echo "      helloworld"
  echo "      ├── HelloWorld10.pdf"
  echo "      └── HelloWorld13.pdf"
  echo "      magpi"
  echo "      └── MagPi7.pdf"
  echo
  echo "  $BASENAME magazines magpi"
  echo "      This will print out details about the magpi magazine."
  echo
  echo "  $BASENAME magazines magpi all"
  echo "      This will download all the currently present issues of magpi."
  echo
  echo "  $BASENAME magazines magpi latest"
  echo "      This will download the latest issue of magpi."
  echo
  echo "  $BASENAME magazines magpi list"
  echo "      This will list the current magazines downloaded for magpi."
  echo
  echo "  $BASENAME magazines magpi number"
  echo "      This will download issue [number] of magpi."
  echo
  echo "  $BASENAME magazines magpi url"
  echo "      This will print out the URL of the magpi homepage."
  echo
  echo "  $BASENAME magazines helloworld"
  echo "      This will print out details about the helloworld magazine."
  echo
  echo "  $BASENAME magazines helloworld all"
  echo "      This will download all the currently present issues of helloworld."
  echo
  echo "  $BASENAME magazines helloworld latest"
  echo "      This will download the latest issue of helloworld."
  echo
  echo "  $BASENAME magazines helloworld list"
  echo "      This will list the current magazines downloaded for helloworld."
  echo
  echo "  $BASENAME magazines helloworld number"
  echo "      This will download issue [number] of helloworld."
  echo
  echo "  $BASENAME magazines helloworld url"
  echo "      This will print out the URL of the helloworld homepage."
  echo
  echo "  $BASENAME magazines hackspace"
  echo "      This will print out details about the hackspace magazine."
  echo
  echo "  $BASENAME magazines hackspace all"
  echo "      This will download all the currently present issues of hackspace."
  echo
  echo "  $BASENAME magazines hackspace latest"
  echo "      This will download the latest issue of hackspace."
  echo
  echo "  $BASENAME magazines hackspace list"
  echo "      This will list the current magazines downloaded for hackspace."
  echo
  echo "  $BASENAME magazines hackspace number"
  echo "      This will download issue [number] of hackspace."
  echo
  echo "  $BASENAME magazines hackspace url"
  echo "      This will print out the URL of the hackspace homepage."
  echo
  echo "  $BASENAME magazines wireframe"
  echo "      This will print out details about the wireframe magazine."
  echo
  echo "  $BASENAME magazines wireframe all"
  echo "      This will download all the currently present issues of wireframe."
  echo
  echo "  $BASENAME magazines wireframe latest"
  echo "      This will download the latest issue of wireframe."
  echo
  echo "  $BASENAME magazines wireframe list"
  echo "      This will list the current magazines downloaded for wireframe."
  echo
  echo "  $BASENAME magazines wireframe number"
  echo "      This will download issue [number] of wireframe."
  echo
  echo "  $BASENAME magazines wireframe url"
  echo "      This will print out the URL of the wireframe homepage."
  echo
}