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(add-hook 'text-mode-hook 'turn-on-auto-fill)
(defun km/export-wrapped-text (arg)
"Export the text in current buffer as wrapped text.
This is useful for preparing text in emacs and then exporting to
a wrapped buffer for pasting text (e.g., into a web form).
If region is active, restrict export to the region. If ARG is
non-nil, copy the region with `x-select-text'."
(interactive "P")
(let ((wrapped-buffer (get-buffer-create "*Wrapped export*"))
beg end)
(if (use-region-p)
(progn (setq beg (region-beginning))
(setq end (region-end)))
(setq beg (point-min))
(setq end (point-max)))
(copy-to-buffer wrapped-buffer beg end)
(switch-to-buffer-other-window wrapped-buffer)
(while (not (eobp))
(forward-paragraph)
(forward-line -1)
(km/unfill-paragraph)
(forward-line 1))
(when arg
(x-select-text (buffer-substring-no-properties (point-min) (point-max))))))
(defun km/columnify-file (delim)
"Separate current file on DELIM using column program.
By default, DELIM is set to \",\". With a single prefix argument,
use whitespace as the delimiter. With two prefix arguments,
prompt for a delimiter.
If a columnified buffer already exists, just switch to it."
(interactive (list (cond ((not current-prefix-arg) ",")
((> (prefix-numeric-value current-prefix-arg) 4)
(read-string "Delimiter: "))
(t nil))))
(unless buffer-file-name
(user-error "Buffer not visiting a file"))
(let* ((output-buffer-name (concat "*cols: " (buffer-name) "*"))
(output-buffer (get-buffer output-buffer-name))
(fname (file-relative-name buffer-file-name))
(args (cons "--table"
(and delim (list "--separator" delim)))))
(unless output-buffer
(setq output-buffer (get-buffer-create output-buffer-name))
(apply #'call-process "column" fname output-buffer nil args))
(switch-to-buffer output-buffer)))
(provide 'init-text)
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