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<!DOCTYPE html>
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<title>SmallBASIC | READ</title>
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<meta name="description" content="Read variables from a binary file.">
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<link rel="keywords" href="READ #fileN; var1 [, ...]">
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<a href="/"><img src='/images/sb-desktop-128x128.png' alt="logo"></a>
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<h4>SmallBASIC</h4>
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<li><a href="/">Main page</a></li>
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<li><a href="/pages/download.html">Download</a></li>
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<li><a target="_github" href="https://github.com/smallbasic/smallbasic.github.io/blob/master/_build/reference/601-file-read.markdown">View source</a></li>
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<div class="article">
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<h1>READ</h1>
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<blockquote>READ #fileN, var1 [, var2, … , varN]</blockquote>
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<a href="/">Home</a> &gt;
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<a href="/pages/reference.html">Reference</a> &gt;
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<a href="/pages/file.html">File</a>
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</p>
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</div>
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<p>Read variables <code>var1</code> to <code>varN</code> from a binary data file. Variables can be numbers, strings and arrays.</p>
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<p>See WRITE for writing variables to a file.</p>
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<h3 id="example">Example</h3>
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<div class="sourceCode" id="cb1"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true"></a>a = <span class="dv">12.3</span></span>
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<span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a>b = <span class="st">&quot;test&quot;</span></span>
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<span id="cb1-3"><a href="#cb1-3" aria-hidden="true"></a>c = [<span class="dv">1</span>,<span class="dv">2</span>,<span class="dv">3</span>,<span class="dv">4</span>]</span>
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<span id="cb1-4"><a href="#cb1-4" aria-hidden="true"></a></span>
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<span id="cb1-5"><a href="#cb1-5" aria-hidden="true"></a><span class="co">&#39; Write variables to file</span></span>
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<span id="cb1-6"><a href="#cb1-6" aria-hidden="true"></a><span class="fu">open</span> <span class="st">&quot;text.bin&quot;</span> <span class="kw">for output as</span> #<span class="dv">1</span></span>
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<span id="cb1-7"><a href="#cb1-7" aria-hidden="true"></a><span class="fu">write</span> #<span class="dv">1</span>, a, b, c</span>
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<span id="cb1-8"><a href="#cb1-8" aria-hidden="true"></a><span class="fu">close</span> #<span class="dv">1</span></span>
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<span id="cb1-9"><a href="#cb1-9" aria-hidden="true"></a></span>
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<span id="cb1-10"><a href="#cb1-10" aria-hidden="true"></a><span class="co">&#39; Read variables from file</span></span>
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<span id="cb1-11"><a href="#cb1-11" aria-hidden="true"></a><span class="fu">open</span> <span class="st">&quot;text.bin&quot;</span> <span class="kw">for input as</span> #<span class="dv">1</span></span>
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<span id="cb1-12"><a href="#cb1-12" aria-hidden="true"></a><span class="fu">read</span> #<span class="dv">1</span>, a, b, c</span>
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<span id="cb1-13"><a href="#cb1-13" aria-hidden="true"></a><span class="fu">close</span> #<span class="dv">1</span></span>
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<span id="cb1-14"><a href="#cb1-14" aria-hidden="true"></a></span>
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<span id="cb1-15"><a href="#cb1-15" aria-hidden="true"></a><span class="kw">print</span> a</span>
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<span id="cb1-16"><a href="#cb1-16" aria-hidden="true"></a><span class="kw">print</span> b</span>
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<span id="cb1-17"><a href="#cb1-17" aria-hidden="true"></a><span class="kw">print</span> c</span></code></pre></div>
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<div class="lavenderBox">
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<div class="header">Code samples using READ</div>
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<div class="linklist">
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/000 getting started/001 3 ways to print hello 5 times.bas">001 3 ways to print hello 5 times.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/000 getting started/003 conditional branching.bas">003 conditional branching.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/000 getting started/004 loops.bas">004 loops.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/000 getting started/006 arrays+.bas">006 arrays+.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/misc/Other graphics/3d wire cube v1.bas">3d wire cube v1.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/misc/Other graphics/3d wire cube.bas">3d wire cube.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/3dtictac.bas">3dtictac.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 3/3dttt.bas">3dttt.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/mobile/3dttt.bas">3dttt.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/7gables.bas">7gables.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/network/anomail.bas">anomail.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/misc/Misc Bpf/Balleta 2-11-15.bas">Balleta 2-11-15.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/misc/Misc Bpf/BAS_1968.bas">BAS_1968.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/misc/Misc Bpf/BAS_NOW.bas">BAS_NOW.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/betrayal: crows ii.bas">betrayal: crows ii.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/blackbox.bas">blackbox.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 3/Blackbox.bas">Blackbox.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 3/bolmo.bas">bolmo.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/applications/Calendar.bas">Calendar.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/utilities/calendar.bas">calendar.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/graphics 1/conrec-sb-v01.bas">conrec-sb-v01.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/crow.bas">crow.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/graphics 1/cube3d.bas">cube3d.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/mathematics/dataminmax.bas">dataminmax.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/dogstar5.bas">dogstar5.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/applications/Eliza.bas">Eliza.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 1/eliza.bas">eliza.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/system/evdemo.bas">evdemo.bas </a>&nbsp;
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<a target="_github" href="https://raw.githubusercontent.com/smallbasic/smallbasic.samples/master/games 2/falling blocks - tetris.bas">falling blocks - tetris.bas </a>&nbsp;
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</div>
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<div class="header">File</div>
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<a href="/reference/580.html">ACCESS </a>&nbsp;
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<a href="/reference/602.html">BGETC </a>&nbsp;
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<a href="/reference/582.html">BLOAD </a>&nbsp;
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<a href="/reference/583.html">BPUTC </a>&nbsp;
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<a href="/reference/584.html">BSAVE </a>&nbsp;
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<a href="/reference/585.html">CHDIR </a>&nbsp;
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<a href="/reference/586.html">CHMOD </a>&nbsp;
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<a href="/reference/587.html">CLOSE </a>&nbsp;
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<a href="/reference/588.html">COPY </a>&nbsp;
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<a href="/reference/589.html">DIRWALK </a>&nbsp;
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<a href="/reference/603.html">EOF </a>&nbsp;
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<a href="/reference/604.html">EXIST </a>&nbsp;
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<a href="/reference/605.html">FILES </a>&nbsp;
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<a href="/reference/607.html">FREEFILE </a>&nbsp;
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<a href="/reference/590.html">INPUT </a>&nbsp;
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<a href="/reference/608.html">INPUT </a>&nbsp;
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<a href="/reference/591.html">KILL </a>&nbsp;
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<a href="/reference/592.html">LOCK </a>&nbsp;
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<a href="/reference/609.html">LOF </a>&nbsp;
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<a href="/reference/593.html">MKDIR </a>&nbsp;
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<a href="/reference/594.html">OPEN </a>&nbsp;
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<a href="/reference/601.html"><strong>READ</strong> </a>&nbsp;
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<a href="/reference/595.html">RENAME </a>&nbsp;
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<a href="/reference/596.html">RMDIR </a>&nbsp;
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<a href="/reference/597.html">SEEK </a>&nbsp;
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<a href="/reference/610.html">SEEK </a>&nbsp;
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<a href="/reference/598.html">TLOAD </a>&nbsp;
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<a href="/reference/599.html">TSAVE </a>&nbsp;
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<a href="/reference/600.html">WRITE </a>&nbsp;
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</div>
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<div class="subtitle">
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If there is insufficient information on this page and you wish learn more about READ,
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please send an email to smallbasic@gmail.com. You can help to improve information about
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READ by submitting a <a href="https://github.com/smallbasic/smallbasic.github.io/pulls">pull request</a>,
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click View Source for details. Note, an offline language reference text file is also available - see the Download section.
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<a href="/pages/console.html">Console </a>
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This page was last edited on Fri, 15 Sep 2023 10:30:09 +0200
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‎reference/ide/601.html‎

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<h1 id="read">READ</h1>
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<blockquote>
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<p>READ #fileN, var1 [, var2, … , varN]</p>
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</blockquote>
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<p>Read variables <code>var1</code> to <code>varN</code> from a binary data file. Variables can be numbers, strings and arrays.</p>
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<p>See WRITE for writing variables to a file.</p>
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<h3 id="example">Example</h3>
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<pre><code>a = 12.3
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b = &quot;test&quot;
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c = [1,2,3,4]
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&#39; Write variables to file
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open &quot;text.bin&quot; for output as #1
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write #1, a, b, c
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close #1
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&#39; Read variables from file
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open &quot;text.bin&quot; for input as #1
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read #1, a, b, c
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close #1
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print a
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print b
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print c</code></pre>

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