# Usage Example: $ ddl-gist 'https://gist.github.com/4137843' ~/Downloads/gists
# save the gist files at that URL in ~/Downloads/gists
##

ddl_gist(){
  if [ $# -ne 2 ];
  then
    echo 'Failed. Syntax: $> ddl-gist GITHUB_GIST_URL DOWNLOAD_PATH'
    return
  fi
  gist_url=$1
  download_path=$2
  echo '[*] Getting all GIST File URLs from '$gist_url
  gists=`curl -ksL -H 'User-Agent: Mozilla/5.0' $gist_url  | grep '<a\ .*href=".*/raw/' | sed 's/.*a\ .*href="//' | sed 's/".*//'`
  echo '[*] Downloading all files'
  for lines in `echo $gists | xargs -L1`;
  do
    if [ ! -z $lines ];
    then
      echo $lines
      gistfile=`echo $lines | sed 's/.*\///'`
      save_as=$download_path"/"$gistfile
      echo "Downloading URL: https://gist.github.com"$lines
      echo "to "$save_as"....."
      wget -c -O $save_as "https://gist.github.com"$lines
    fi
  done
}