New functions for command or file I/O in one call.

* lisplib.c (getput_set_entries, getput_instantiate):
New static functions.
(dlt_register): Register auto-loading for getput module
via new functions.

* share/txr/stdlib/getput.tl: New file.

* txr.1: Documented new functions file-get, file-put,
file-append, file-get-string, file-put-string,
file-append-string, file-get-lines, file-put-lines,
file-append-lines, command-get, command-put,
command-get-string, command-put-string, command-get-lines,
and command-put-lines.

1 files changed, 83 insertions, 0 deletions

diff --git a/share/txr/stdlib/getput.tl b/share/txr/stdlib/getput.tl
new file mode 100644
index 00000000..9db13b78
--- /dev/null
+++ b/share/txr/stdlib/getput.tl
@@ -0,0 +1,83 @@
+;; Copyright 2016
+;; Kaz Kylheku <kaz@kylheku.com>
+;; Vancouver, Canada
+;; All rights reserved.
+;;
+;; Redistribution and use in source and binary forms, with or without
+;; modification, are permitted provided that the following conditions are met:
+;;
+;; 1. Redistributions of source code must retain the above copyright notice, this
+;;    list of conditions and the following disclaimer.
+;;
+;; 2. Redistributions in binary form must reproduce the above copyright notice,
+;;    this list of conditions and the following disclaimer in the documentation
+;;    and/or other materials provided with the distribution.
+;;
+;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+(defun file-get (name)
+  (with-stream (s (open-file name))
+    (read s)))
+
+(defun file-put (name obj)
+  (with-stream (s (open-file name "w"))
+    (prinl obj s)))
+
+(defun file-append (name obj)
+  (with-stream (s (open-file name "a"))
+    (prinl obj s)))
+
+(defun file-get-string (name)
+  (with-stream (s (open-file name))
+    (get-string s)))
+
+(defun file-put-string (name string)
+  (with-stream (s (open-file name "w"))
+    (put-string string s)))
+
+(defun file-append-string (name string)
+  (with-stream (s (open-file name "a"))
+    (put-string string s)))
+
+(defun file-get-lines (name)
+  (get-lines (open-file name)))
+
+(defun file-put-lines (name lines)
+  (with-stream (s (open-file name "w"))
+    (put-lines lines s)))
+
+(defun file-append-lines (name lines)
+  (with-stream (s (open-file name "a"))
+    (put-lines lines s)))
+
+(defun command-get (cmd)
+  (with-stream (s (open-command cmd))
+    (read s)))
+
+(defun command-put (cmd obj)
+  (with-stream (s (open-command cmd "w"))
+    (prinl obj s)))
+
+(defun command-get-string (cmd)
+  (with-stream (s (open-command cmd))
+    (get-string s)))
+
+(defun command-put-string (cmd string)
+  (with-stream (s (open-command cmd "w"))
+    (put-string string s)))
+
+(defun command-get-lines (cmd)
+  (get-lines (open-command cmd)))
+
+(defun command-put-lines (cmd lines)
+  (with-stream (s (open-command cmd "w"))
+    (put-lines lines s)))