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#name : Command that works on region or word
#contributor : Xah Lee
# --
;; example of a command that works on current word or text selection
(defun down-case-word-or-region ()
"Lower case the current word or text selection."
(interactive)
(let (pos1 pos2 meat)
(if (and transient-mark-mode mark-active)
(setq pos1 (region-beginning)
pos2 (region-end))
(setq pos1 (car (bounds-of-thing-at-point 'symbol))
pos2 (cdr (bounds-of-thing-at-point 'symbol))))
; now, pos1 and pos2 are the starting and ending positions
; of the current word, or current text selection if exists
;; put your code here.
$0
;; Some example of things you might want to do
(downcase-region pos1 pos2) ; example of a func that takes region as args
(setq meat (buffer-substring-no-properties pos1 pos2)) ; grab the text.
(delete-region pos1 pos2) ; get rid of it
(insert "newText") ; insert your new text
)
)
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