Add better vim integration to readme

Add instructions to integrate into vim such that it runs stylish-haskell automatically whenever you save a .hs file.

1 files changed, 15 insertions, 0 deletions

diff --git a/README.markdown b/README.markdown
index d5af4fe..5cd3272 100644
--- a/README.markdown
+++ b/README.markdown
@@ -100,6 +100,21 @@ Just call
 
 or add a keybinding for it.
 
+To run stylish-haskell each time you save a .hs file, add this to your .vimrc:
+
+    augroup stylish-haskell
+      autocmd!
+      autocmd BufWritePost *.hs call s:StylishHaskell()
+    augroup END
+
+    function! s:StylishHaskell()
+      let cursor_position = getpos('.')
+      undojoin
+      %!stylish-haskell
+      call setpos('.', cursor_position)
+    endfunction
+
+
 Emacs integration
 -----------------