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<html><head><title>XLISP get-output-stream-string</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
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<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
<hr>
<h1>get-output-stream-string</h1>
<hr>
<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
<td><nobr>Type:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>function (subr)</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xlfio.c</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<dl>
<dt>(get-output-stream-string <i>stream</i>)</dt>
<dd><i>stream</i> - an output stream expression<br>
returns - the output so far as a string</dd>
</dl>
<h2>Description</h2>
<p>The 'get-output-stream-string' function empties the specified 'stream'
and returns this data as a single string. The output stream is emptied by
this operation.</p>
<h2>Examples</h2>
<pre class="example">
(setq out (make-string-output-stream)) <font color="#008844">; returns #<Unnamed-Stream: #...></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>
(get-output-stream-string out) <font color="#008844">; returns ""</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#get-output-stream-string">get-output-stream-string</a>
function in the <nobr>XLISP 2.0</nobr> manual.</p>
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