title: Creating zip file from folders in R
body: <p>Try to create a zip file from one folder using R.</p>
  
  <p>It mentioned "Rcompression" package here:
  <a href="https://stackoverflow.com/questions/4624360/creating-zip-file-from-folders">Creating zip file from folders</a></p>
  
  <p>But I didn't find where I can download this package for Windows system.</p>
  
  <p>Any suggestions? or other functions to create a zip file?</p>