How to use

• Set your google spreadsheet url (json format) as targetpath variable (I define this in readfile.js, for example)
• Your google spreadsheet consists of the following five columns:
  1. paper title
  2. paper url
  3. memorandum
  4. tags (comma-separated string)
  5. year
• A url example google spreadsheet (json)
  • https://spreadsheets.google.com/feeds/cells/(shpreadsheet id)/1/public/values?alt=json
• Make sure that your google spreadsheet is permitted to be accessed via url link.