That choked on big files, this works great though

sj26 · Jul 26, 2017 · 1ac3df5 · 1ac3df5
1 parent 8f02221
commit 1ac3df5
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/.vim/ftplugin/ruby.vim b/.vim/ftplugin/ruby.vim
@@ -6,10 +6,11 @@ let g:ruby_indent_block_style = 'do'
 
 " Strip trailing empty newlines
 function TrimTrailingLines()
-  let l:save_cursor = getpos('.')
-  :silent! %s#\($\n\s*\)\+\%$##
-  call histdel('search', -1)
-  call setpos('.', l:save_cursor)
+  let lastLine = line('$')
+  let lastNonblankLine = prevnonblank(lastLine)
+  if lastLine > 0 && lastNonblankLine != lastLine
+    silent! execute lastNonblankLine + 1 . ',$delete _'
+  endif
 endfunction
 
 autocmd BufWritePre <buffer> call TrimTrailingLines()