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60370d40 | 1 | ;;; em-script.el --- Eshell script files |
affbf647 | 2 | |
faadfb0a | 3 | ;; Copyright (C) 1999, 2000 Free Software Foundation |
affbf647 | 4 | |
7de5b421 GM |
5 | ;; Author: John Wiegley <johnw@gnu.org> |
6 | ||
affbf647 GM |
7 | ;; This file is part of GNU Emacs. |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation; either version 2, or (at your option) | |
12 | ;; any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | ;; Boston, MA 02111-1307, USA. | |
23 | ||
24 | (provide 'em-script) | |
25 | ||
26 | (eval-when-compile (require 'esh-maint)) | |
27 | ||
28 | (defgroup eshell-script nil | |
29 | "This module allows for the execution of files containing Eshell | |
30 | commands, as a script file." | |
31 | :tag "Running script files." | |
32 | :group 'eshell-module) | |
33 | ||
34 | ;;; Commentary: | |
35 | ||
36 | ;;; User Variables: | |
37 | ||
38 | (defcustom eshell-script-load-hook '(eshell-script-initialize) | |
39 | "*A list of functions to call when loading `eshell-script'." | |
40 | :type 'hook | |
41 | :group 'eshell-script) | |
42 | ||
43 | (defcustom eshell-login-script (concat eshell-directory-name "login") | |
44 | "*If non-nil, a file to invoke when starting up Eshell interactively. | |
45 | This file should be a file containing Eshell commands, where comment | |
46 | lines begin with '#'." | |
47 | :type 'file | |
48 | :group 'eshell-script) | |
49 | ||
50 | (defcustom eshell-rc-script (concat eshell-directory-name "profile") | |
51 | "*If non-nil, a file to invoke whenever Eshell is started. | |
52 | This includes when running `eshell-command'." | |
53 | :type 'file | |
54 | :group 'eshell-script) | |
55 | ||
56 | ;;; Functions: | |
57 | ||
58 | (defun eshell-script-initialize () | |
59 | "Initialize the script parsing code." | |
60 | (make-local-variable 'eshell-interpreter-alist) | |
61 | (setq eshell-interpreter-alist | |
62 | (cons '((lambda (file) | |
63 | (string= (file-name-nondirectory file) | |
64 | "eshell")) . eshell/source) | |
65 | eshell-interpreter-alist)) | |
dace60cf JW |
66 | (make-local-variable 'eshell-complex-commands) |
67 | (setq eshell-complex-commands | |
68 | (append '("source" ".") eshell-complex-commands)) | |
affbf647 GM |
69 | ;; these two variables are changed through usage, but we don't want |
70 | ;; to ruin it for other modules | |
71 | (let (eshell-inside-quote-regexp | |
72 | eshell-outside-quote-regexp) | |
73 | (and (not eshell-non-interactive-p) | |
74 | eshell-login-script | |
75 | (file-readable-p eshell-login-script) | |
76 | (eshell-do-eval | |
77 | (list 'eshell-commands | |
78 | (catch 'eshell-replace-command | |
79 | (eshell-source-file eshell-login-script))) t)) | |
80 | (and eshell-rc-script | |
81 | (file-readable-p eshell-rc-script) | |
82 | (eshell-do-eval | |
83 | (list 'eshell-commands | |
84 | (catch 'eshell-replace-command | |
85 | (eshell-source-file eshell-rc-script))) t)))) | |
86 | ||
87 | (defun eshell-source-file (file &optional args subcommand-p) | |
88 | "Execute a series of Eshell commands in FILE, passing ARGS. | |
89 | Comments begin with '#'." | |
90 | (interactive "f") | |
91 | (let ((orig (point)) | |
92 | (here (point-max)) | |
93 | (inhibit-point-motion-hooks t) | |
94 | after-change-functions) | |
95 | (goto-char (point-max)) | |
96 | (insert-file-contents file) | |
97 | (goto-char (point-max)) | |
98 | (throw 'eshell-replace-command | |
99 | (prog1 | |
100 | (list 'let | |
101 | (list (list 'eshell-command-name (list 'quote file)) | |
102 | (list 'eshell-command-arguments | |
103 | (list 'quote args))) | |
104 | (let ((cmd (eshell-parse-command (cons here (point))))) | |
105 | (if subcommand-p | |
106 | (setq cmd (list 'eshell-as-subcommand cmd))) | |
107 | cmd)) | |
108 | (delete-region here (point)) | |
109 | (goto-char orig))))) | |
110 | ||
111 | (defun eshell/source (&rest args) | |
112 | "Source a file in a subshell environment." | |
113 | (eshell-eval-using-options | |
114 | "source" args | |
115 | '((?h "help" nil nil "show this usage screen") | |
116 | :show-usage | |
117 | :usage "FILE [ARGS] | |
118 | Invoke the Eshell commands in FILE in a subshell, binding ARGS to $1, | |
119 | $2, etc.") | |
120 | (eshell-source-file (car args) (cdr args) t))) | |
121 | ||
127fd3c2 JW |
122 | (put 'eshell/source 'eshell-no-numeric-conversions t) |
123 | ||
affbf647 GM |
124 | (defun eshell/. (&rest args) |
125 | "Source a file in the current environment." | |
126 | (eshell-eval-using-options | |
127 | "." args | |
128 | '((?h "help" nil nil "show this usage screen") | |
129 | :show-usage | |
130 | :usage "FILE [ARGS] | |
131 | Invoke the Eshell commands in FILE within the current shell | |
132 | environment, binding ARGS to $1, $2, etc.") | |
133 | (eshell-source-file (car args) (cdr args)))) | |
134 | ||
127fd3c2 JW |
135 | (put 'eshell/. 'eshell-no-numeric-conversions t) |
136 | ||
affbf647 GM |
137 | ;;; Code: |
138 | ||
139 | ;;; em-script.el ends here |