vimrc: Add cabbr %%, fix whitespace

Signed-off-by: Colin McCabe <cmccabe@alumni.cmu.edu>

diff --git a/.vimrc b/.vimrc
index edcd5a5..d90e087 100644 (file)
--- a/.vimrc
+++ b/.vimrc
@@ -1,17 +1,17 @@
 
-"                Colin's vimrc                 
+"                Colin's vimrc
 "
 "            ||   www                %%%
 "     vwv    ||   )_(,;;;,        ,;,\_/ www
 "     )_(    ||   \|/ \_/         )_(\|  (_)
-"     \|   \ || /\\|/  |/         \| \|// | 
+"     \|   \ || /\\|/  |/         \| \|// |
 " "___\|//V\\||//_\V/_\|//_______\\|//V/\\|/__
 
-"*************** navigation *************** 
+"*************** navigation ***************
 set history=500
 set tags=./tags;../../../../
 
-"*************** search stuff *************** 
+"*************** search stuff ***************
 set incsearch
 set hlsearch
 set showmatch
@@ -19,7 +19,7 @@ set nowrapscan
 set ignorecase
 set smartcase
 
-"*************** formatting *************** 
+"*************** formatting ***************
 :filetype plugin on
 :filetype indent on
 set linebreak
@@ -31,23 +31,29 @@ highlight Constant ctermfg=red
 set t_Co=256
 set et
 
-"*************** bell *************** 
+"*************** bell ***************
 set vb t_vb="."
 set visualbell
-                                                                                
-"*************** movement stuff *************** 
+
+"*************** movement stuff ***************
 set splitbelow
 set splitright
 imap <BS> <ESC>
 set pastetoggle=<F2>
 
-"*************** gui stuff *************** 
+"*************** gui stuff ***************
 set guifont=fixed
 set guioptions-=T
 set laststatus=2
 "noremap \ 2 <PageUp>
 
-"*************** colin's auto-commenter *************** 
+"*************** comand-mode stuff ***************
+" This abbreviation makes it easier to type :e <filename>.
+" When you type '%%' in command mode, it will be expanded to the directory name
+" of the file you're currently editing.
+cabbr <expr> %% expand('%:p:h')
+
+"*************** colin's auto-commenter ***************
 map ,/ :s/^/\/\//<CR>:nohlsearch<CR>
 map ,,/ :s/^\/\///<CR>:nohlsearch<CR>
 map ,# :s/^/#/<CR>:nohlsearch<CR>