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;; http://whattheemacsd.com/
;; whitespace cleanup
(defun km/cleanup-buffer ()
(interactive)
(untabify (point-min) (point-max))
(delete-trailing-whitespace)
(set-buffer-file-coding-system 'utf-8))
(add-hook 'before-save-hook 'km/cleanup-buffer)
(defun km/rename-current-buffer-file ()
"Renames current buffer and file it is visiting."
(interactive)
(let ((name (buffer-name))
(filename (buffer-file-name)))
(if (not (and filename (file-exists-p filename)))
(error "Buffer '%s' is not visiting a file!" name)
(let ((new-name (read-file-name "New name: " filename)))
(if (get-buffer new-name)
(error "A buffer named '%s' already exists!" new-name)
(rename-file filename new-name 1)
(rename-buffer new-name)
(set-visited-file-name new-name)
(set-buffer-modified-p nil)
(message "File '%s' successfully renamed to '%s'"
name (file-name-nondirectory new-name)))))))
(global-set-key (kbd "C-x C-r") 'km/rename-current-buffer-file)
(defun km/shebang (&optional lang)
(interactive "s\language (default python):")
(if (= (length lang) 0)
(setq lang "python"))
(insert "#!/usr/bin/env " lang "\n"))
(global-set-key (kbd "C-c s") 'km/shebang)
(defun km/insert-random-string (&optional strlen)
"Insert a random string (default length: 5)"
(interactive)
(unless strlen
(setq strlen 5))
(let (mycharset (ii 0) )
(setq mycharset ["a" "b" "c" "d" "e" "f" "g" "h" "i"
"j" "k" "l" "m" "n" "o" "p" "q" "r"
"s" "t" "u" "v" "w" "x" "y" "z"])
(while (< ii strlen)
(insert (elt mycharset (random (length mycharset))))
(setq ii (1+ ii)))))
(defun km/insert-date ()
(interactive)
(insert (format-time-string "%Y-%m-%d")))
(global-set-key (kbd "C-c d") 'km/insert-date)
(defun km/start-ess ()
(interactive)
(require 'ess-site))
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