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lpr.el
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Lisp/Scheme
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1991-12-02
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;; Print Emacs buffer on line printer.
;; Copyright (C) 1985, 1988 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;(defconst lpr-switches nil
; "*List of strings to pass as extra switch args to lpr when it is invoked.")
(defvar lpr-command (if (eq system-type 'usg-unix-v)
"lp" "lpr")
"Shell command for printing a file")
(defun lpr-buffer ()
"Print buffer contents as with Unix command `lpr'.
`lpr-switches' is a list of extra switches (strings) to pass to lpr."
(interactive)
(print-region-1 (point-min) (point-max) lpr-switches))
(defun print-buffer ()
"Print buffer contents as with Unix command `lpr -p'.
`lpr-switches' is a list of extra switches (strings) to pass to lpr."
(interactive)
(print-region-1 (point-min) (point-max) (cons "-p" lpr-switches)))
(defun lpr-region (start end)
"Print region contents as with Unix command `lpr'.
`lpr-switches' is a list of extra switches (strings) to pass to lpr."
(interactive "r")
(print-region-1 start end lpr-switches))
(defun print-region (start end)
"Print region contents as with Unix command `lpr -p'.
`lpr-switches' is a list of extra switches (strings) to pass to lpr."
(interactive "r")
(print-region-1 start end (cons "-p" lpr-switches)))
(defun print-region-1 (start end switches)
(let ((name (concat (buffer-name) " Emacs buffer"))
(width tab-width))
(save-excursion
(message "Spooling...")
(if (/= tab-width 8)
(let ((oldbuf (current-buffer)))
(set-buffer (get-buffer-create " *spool temp*"))
(widen) (erase-buffer)
(insert-buffer-substring oldbuf start end)
(setq tab-width width)
(untabify (point-min) (point-max))
(setq start (point-min) end (point-max))))
(apply 'call-process-region
(nconc (list start end lpr-command
nil nil nil)
(nconc (and (eq system-type 'berkeley-unix)
(list "-J" name "-T" name))
switches)))
(message "Spooling...done"))))