docsrc/xlisp/xlisp-doc/reference/make-string-output-stream.htm


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<html><head><title>XLISP make-string-output-stream</title>

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<a href="../start.htm">Nyquist / XLISP 2.0</a>&nbsp; -&nbsp;
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>

<hr>

<h1>make-string-output-stream</h1>

<hr>

<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
  <td><nobr>Type:</nobr></td>
  <td><nobr>&nbsp;&nbsp;-&nbsp;&nbsp;</nobr></td>
  <td width="100%"><nobr>function (subr)</nobr></td>
</tr>
<tr valign="top">
  <td><nobr>Source:</nobr></td>
  <td><nobr>&nbsp;&nbsp;-&nbsp;&nbsp;</nobr></td>
  <td width="100%"><nobr>xlfio.c</nobr></td>
</tr>
</tbody></table></p>

<h2>Syntax</h2>

<dl>
<dt>(make-string-output-stream)</dt>
<dd>returns - an unnamed output stream</dd>
</dl>

<h2>Description</h2>

<p>The 'make-string-output-stream' function creates and returns an unnamed
output stream. The stream can then be used as any other stream object.</p>

<h2>Examples</h2>

<pre class="example">
(make-string-output-stream)             <font color="#008844">; returns #&lt;Unnamed-Stream: #2d9c0&gt;</font>

(setq out (make-string-output-stream))  <font color="#008844">; returns #&lt;Unnamed-Stream: #2d95c&gt;</font>

(format out "fee fi fo fum ")           <font color="#008844">; \</font>
(format out "I smell the blood of ")    <font color="#008844">;  fill up output stream</font>
(format out "Elmer Fudd")               <font color="#008844">; /</font>
(get-output-stream-string out)          <font color="#008844">; returns "fee fi fo fum I smell the blood of Elmer Fudd"</font>

(format out "~%now what")               <font color="#008844">; add more to output stream</font>
(get-output-stream-string out)          <font color="#008844">; returns "\nnow what"</font>

(format out "hello")                    <font color="#008844">; add more to output stream</font>
(read out)                              <font color="#008844">; returns HELLO</font>
</pre>

<p>See the
<a href="../manual/xlisp-man-030.htm#make-string-output-stream">make-string-output-stream</a>
function in the <nobr>XLISP 2.0</nobr> manual.</p>

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