Added ,ws to strip trailing whitespace in a file

README.md

@@ -218,6 +218,7 @@ files contain key mappings as well (TODO: probably will move them out to skwp-ke
  * ,jF factories
 
  **RSI-reduction**
+
  * Cmd-k and Cmd-d to type underscores and dashes (use Shift), since they are so common in code but so far away from home row
  * ; instead of : - avoid Shift for common tasks, just hit semicolon to get to ex mode
  * ,. to go to last edit location instead of '. because the apostrophe is hard on the pinky
@@ -252,6 +253,7 @@ files contain key mappings as well (TODO: probably will move them out to skwp-ke
  * ,cc - (Current command) copies the command under your cursor and executes it in vim. Great for testing single line changes to vimrc.
  * ,yw - yank a word from anywhere within the word (so you don't have to go to the beginning of it)
  * ,ow - overwrite a word with whatever is in your yank buffer - you can be anywhere on the word. saves having to visually select it
+ * ,ws - strip trailing whitespaces
  * sj - split a line such as a hash {:foo => {:bar => :baz}} into a multiline hash (j = down)
  * sk - unsplit a link (k = up)
  * Cmd-Shift-A - align things (type a character/expression to align by, works in visual mode or by itself)

vim/plugin/settings/whitespace-killer.vim

@@ -0,0 +1,15 @@
+" via: http://rails-bestpractices.com/posts/60-remove-trailing-whitespace
+" Strip trailing whitespace
+function! <SID>StripTrailingWhitespaces()
+    " Preparation: save last search, and cursor position.
+    let _s=@/
+    let l = line(".")
+    let c = col(".")
+    " Do the business:
+    %s/\s\+$//e
+    " Clean up: restore previous search history, and cursor position
+    let @/=_s
+    call cursor(l, c)
+endfunction
+command! StripTrailingWhitespaces call <SID>StripTrailingWhitespaces()
+nmap ,ws :StripTrailingWhitespaces<CR>