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126 lines
3.6 KiB
EmacsLisp
126 lines
3.6 KiB
EmacsLisp
;;; pcmpl-unix.el --- standard UNIX completions
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;; Copyright (C) 1999, 2000 Free Software Foundation
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU 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 GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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(provide 'pcmpl-unix)
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(require 'pcomplete)
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;; User Variables:
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(defcustom pcmpl-unix-group-file "/etc/group"
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"*If non-nil, a string naming the group file on your system."
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:type 'file
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:group 'pcmpl-unix)
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(defcustom pcmpl-unix-passwd-file "/etc/passwd"
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"*If non-nil, a string naming the passwd file on your system."
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:type 'file
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:group 'pcmpl-unix)
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;; Functions:
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;;;###autoload
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(defun pcomplete/cd ()
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"Completion for `cd'."
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(pcomplete-here (pcomplete-dirs)))
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;;;###autoload
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(defalias 'pcomplete/pushd 'pcomplete/cd)
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;;;###autoload
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(defun pcomplete/rmdir ()
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"Completion for `rmdir'."
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(while (pcomplete-here (pcomplete-dirs))))
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;;;###autoload
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(defun pcomplete/rm ()
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"Completion for `rm'."
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(let ((pcomplete-help "(fileutils)rm invocation"))
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(pcomplete-opt "dfirRv")
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(while (pcomplete-here (pcomplete-all-entries) nil
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'expand-file-name))))
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;;;###autoload
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(defun pcomplete/xargs ()
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"Completion for `xargs'."
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(pcomplete-here (funcall pcomplete-command-completion-function))
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(funcall (or (pcomplete-find-completion-function (pcomplete-arg 1))
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pcomplete-default-completion-function)))
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;;;###autoload
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(defalias 'pcomplete/time 'pcomplete/xargs)
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;;;###autoload
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(defun pcomplete/which ()
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"Completion for `which'."
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(while (pcomplete-here (funcall pcomplete-command-completion-function))))
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(defun pcmpl-unix-read-passwd-file (file)
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"Return an alist correlating gids to group names in FILE."
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(let (names)
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(when (file-readable-p file)
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(with-temp-buffer
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(insert-file-contents file)
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(goto-char (point-min))
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(while (not (eobp))
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(let* ((fields
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(split-string (buffer-substring
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(point) (progn (end-of-line)
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(point))) ":")))
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(setq names (cons (nth 0 fields) names)))
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(forward-line))))
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(pcomplete-uniqify-list names)))
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(defsubst pcmpl-unix-group-names ()
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"Read the contents of /etc/group for group names."
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(if pcmpl-unix-group-file
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(pcmpl-unix-read-passwd-file pcmpl-unix-group-file)))
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(defsubst pcmpl-unix-user-names ()
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"Read the contents of /etc/passwd for user names."
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(if pcmpl-unix-passwd-file
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(pcmpl-unix-read-passwd-file pcmpl-unix-passwd-file)))
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;;;###autoload
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(defun pcomplete/chown ()
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"Completion for the `chown' command."
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(unless (pcomplete-match "\\`-")
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(if (pcomplete-match "\\`[^.]*\\'" 0)
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(pcomplete-here* (pcmpl-unix-user-names))
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(if (pcomplete-match "\\.\\([^.]*\\)\\'" 0)
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(pcomplete-here* (pcmpl-unix-group-names)
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(pcomplete-match-string 1 0))
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(pcomplete-here*))))
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(while (pcomplete-here (pcomplete-entries))))
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;;;###autoload
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(defun pcomplete/chgrp ()
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"Completion for the `chgrp' command."
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(unless (pcomplete-match "\\`-")
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(pcomplete-here* (pcmpl-unix-group-names)))
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(while (pcomplete-here (pcomplete-entries))))
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;;; pcmpl-unix.el ends here
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