From: Chris Hanson <org/chris-hanson/cph>
Date: Wed, 20 Jun 1990 20:34:23 +0000 (+0000)
Subject: Initial revision
X-Git-Tag: 20090517-FFI~11374
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=f20c6c8faaa73817c1a1a8bfc7d232759fd1fc31;p=mit-scheme.git

Initial revision
---

diff --git a/v7/src/runtime/tscript.scm b/v7/src/runtime/tscript.scm
new file mode 100644
index 000000000..36788ce82
--- /dev/null
+++ b/v7/src/runtime/tscript.scm
@@ -0,0 +1,56 @@
+#| -*-Scheme-*-
+
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/tscript.scm,v 1.1 1990/06/20 20:34:23 cph Rel $
+
+Copyright (c) 1990 Massachusetts Institute of Technology
+
+This material was developed by the Scheme project at the Massachusetts
+Institute of Technology, Department of Electrical Engineering and
+Computer Science.  Permission to copy this software, to redistribute
+it, and to use it for any purpose is granted, subject to the following
+restrictions and understandings.
+
+1. Any copy made of this software must include this copyright notice
+in full.
+
+2. Users of this software agree to make their best efforts (a) to
+return to the MIT Scheme project any improvements or extensions that
+they make, so that these may be included in future releases; and (b)
+to inform MIT of noteworthy uses of this software.
+
+3. All materials developed as a consequence of the use of this
+software shall duly acknowledge such use, in accordance with the usual
+standards of acknowledging credit in academic research.
+
+4. MIT has made no warrantee or representation that the operation of
+this software will be error-free, and MIT is under no obligation to
+provide any services, by way of maintenance, update, or otherwise.
+
+5. In conjunction with products arising from the use of this material,
+there shall be no use of the name of the Massachusetts Institute of
+Technology nor of any adaptation thereof in any advertising,
+promotional, or sales literature without prior written consent from
+MIT in each case. |#
+
+;;;; Transcript File
+;;; package: (runtime transcript)
+
+(declare (usual-integrations))
+
+(define transcript-port)
+
+(define (initialize-package!)
+  (set! transcript-port false)
+  unspecific)
+
+(define (transcript-on filename)
+  (if transcript-port
+      (error "transcript already turned on"))
+  (set! transcript-port (open-output-file filename))
+  unspecific)
+
+(define (transcript-off)
+  (if transcript-port
+      (let ((port transcript-port))
+	(set! transcript-port false)
+	(close-output-port port))))
\ No newline at end of file