109 lines
3.7 KiB
Scheme
109 lines
3.7 KiB
Scheme
#| -*-Scheme-*-
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
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1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
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2017, 2018, 2019, 2020 Massachusetts Institute of Technology
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This file is part of MIT/GNU Scheme.
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MIT/GNU Scheme is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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MIT/GNU Scheme is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with MIT/GNU Scheme; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
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USA.
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|#
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;;;; Shell commands for DOS
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(load-option 'DOSPROCESS)
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(define-command shell-command
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"Execute string COMMAND in inferior shell; display output, if any.
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Optional second arg true (prefix arg, if interactive) means
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insert output in current buffer after point (leave mark after it)."
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"sShell command\nP"
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(lambda (command insert-at-point?)
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(let ((directory (buffer-default-directory (current-buffer))))
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(if insert-at-point?
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(begin
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(if (buffer-read-only? (current-buffer))
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(barf-if-read-only))
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(let ((point (current-point)))
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(push-current-mark! point)
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(shell-command false point directory command))
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((ref-command exchange-point-and-mark)))
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(shell-command-pop-up-output
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(lambda (output-mark)
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(shell-command false output-mark directory command)))))))
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(define-command shell-command-on-region
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"Execute string COMMAND in inferior shell with region as input.
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Normally display output (if any) in temp buffer;
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Prefix arg means replace the region with it."
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"r\nsShell command on region\nP"
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(lambda (region command replace-region?)
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(let ((directory (buffer-default-directory (current-buffer))))
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(if replace-region?
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(let ((point (current-point))
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(mark (current-mark)))
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(let ((swap? (mark< point mark))
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(temp))
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(dynamic-wind
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(lambda ()
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(set! temp (temporary-buffer " *shell-output*"))
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unspecific)
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(lambda ()
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(shell-command (make-region point mark)
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(buffer-start temp)
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directory
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command)
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(without-interrupts
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(lambda ()
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(delete-string point mark)
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(insert-region (buffer-start temp)
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(buffer-end temp)
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(current-point)))))
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(lambda ()
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(kill-buffer temp)
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(set! temp)
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unspecific))
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(if swap? ((ref-command exchange-point-and-mark)))))
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(shell-command-pop-up-output
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(lambda (output-mark)
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(shell-command region output-mark directory command)))))))
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(define (shell-command-pop-up-output generate-output)
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(let ((buffer (temporary-buffer "*Shell Command Output*")))
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(let ((start (buffer-start buffer)))
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(generate-output start)
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(set-buffer-point! buffer start)
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(if (mark< start (buffer-end buffer))
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(pop-up-buffer buffer false)
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(message "(Shell Command completed with no output)")))))
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(define (shell-command input-region output-mark directory command)
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(with-real-working-directory-pathname directory
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(lambda ()
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(let ((core
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(lambda (input-port)
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(run-subprocess command
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input-port
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(mark->output-port output-mark)))))
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(if input-region
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(core (make-buffer-input-port (region-start input-region)
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(region-end input-region)))
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(call-with-input-file "\\dev\\nul" core))))))
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