terminalを棄ててEmacsと心中するための設定 ref: http://qiita.com/items/8906c8e7759751d32b6b

.bashrc

## create emacs env file
perl -wle \
    'do { print qq/(setenv "$_" "$ENV{$_}")/ if exists $ENV{$_} } for @ARGV' \
    PATH > ~/.emacs.d/shellenv.el

init.el

;; set eshell aliases
(setq eshell-command-aliases-list
      (append
       (list
        (list "desk" "cd ~/Desktop")
        (list "swipl" "/opt/local/bin/swipl"))
       eshell-command-aliases-list))