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<title>"for" Statement - TMBASIC</title>
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<div><div><a href="/" style="font-weight: 600;">TMBASIC</a><a href="doc.html"><span id="docLabelLong">Documentation</span><span id="docLabelShort">Docs</span></a><a href="https://github.com/tmbasic/tmbasic">GitHub</a></div></div>
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<div class="backlinks"><a href="doc.html">TMBASIC Documentation</a></div><h1><span class="tt">for</span> Statement</h1>A <span class="tt">for</span> loop lets you run a section of code a specific number of times.
The loop variable counts up or down with each execution of the loop.
The loop body is repeatedly executed until the loop variable reaches the end number.<h2>Syntax</h2><div class="code"><div>for <VARIABLE> = <START> to <END> [step <AMOUNT>]</div><div><span class="indent"> </span><BODY></div><div>next</div></div><ul><li><span class="tt"><VARIABLE></span> is the name of a new loop variable to count up or down.</li><li><span class="tt"><START></span> is the first number to start with.</li><li><span class="tt"><END></span> is the last number to end with. The loop exits after the loop variable passes this number.</li><li><span class="tt"><AMOUNT></span> is the amount to add to the loop variable each time the loop body is executed. If not specified, the default is 1. It can be negative to count down.</li></ul><h2>Usage</h2>The following example loops 10 times and prints the loop variable at each iteration.<div class="paragraphBreak"></div><div class="code"><div>for i = 1 to 10</div><div><span class="indent"> </span>print i</div><div>next</div></div>The <span class="tt">exit for</span> statement can be used to exit a loop before reaching the end number.
This example prints the numbers 1 to 4, because the <span class="tt">exit for</span> statement exits the loop when the loop variable <span class="tt">i</span> is 5.<div class="paragraphBreak"></div><div class="code"><div>for i = 1 to 10</div><div><span class="indent"> </span>if i = 5 then</div><div><span class="indent"> </span><span class="indent"> </span>exit for</div><div><span class="indent"> </span>end if</div><div><span class="indent"> </span>print i</div><div>next</div></div>
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