I m going to email my .R codes.
it would be great if my receiver can also open .R file and get my folded functions folded. ( neat and readable )
how is this achieved in Rstudio?
According to code folding in Rstudio
Folded regions are preserved while editing a document; however all foldable regions are shown expanded by default when a file is closed and re-opened.
But, we can use short-cuts as mentioned in the post if we want to expand all/collapse all
Edit -> Folding:
Collapse — Alt+L
Expand — Shift+Alt+L
Collapse All — Alt+O
Expand All — Shift+Alt+O