Build Joe7M's changes.

Author: chrisws

index.html

@@ -199,7 +199,7 @@ <h3 id="smallbasic-version-0.12.10-has-been-released">SmallBASIC version 0.12.10
 <p><a href="/posts/2017-24-12-1.html">Read more</a></p>
 </div>
     <div class="pagefooter">
-      This page was last edited on Wed, 18 Oct 2023 15:34:02 +0200
+      This page was last edited on Mon, 23 Oct 2023 08:50:31 +1030
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       <a href="https://en.wikipedia.org/wiki/Markdown" target="_blank" rel="nofollow">Markdown</a>
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reference/589.html

@@ -65,23 +65,23 @@ <h4>SmallBASIC</h4>
     </div>
 <div class="article">
   <h1>DIRWALK</h1>
-  <blockquote>DIRWALK directory [, wildcards] [USE …]</blockquote>
+  <blockquote>DIRWALK dir [, wildcards] [USE f(x)]</blockquote>
   <div class="siteSub">
     <p>
       <a href="/">Home</a> &gt;
       <a href="/pages/reference.html">Reference</a> &gt;
       <a href="/pages/file.html">File</a>
     </p>
   </div>
-<p>Walk through the specified directories. The user-defined function must returns zero to stop the process. The user defined function takes <code>x</code> as a parameter. <code>x</code> contains information about the current file.</p>
-<h2 id="example-1-print-all-files">Example 1: Print all files</h2>
+<p>Walk through the specified directory <code>dir</code> and its subdirectories. The user defined function <code>f(x)</code> takes <code>x</code> as a parameter. <code>x</code> contains information about the current file. <code>f(x)</code> must return zero to stop the process. <code>wildcards</code> can be used to filter the files.</p>
+<h3 id="example-1-print-all-files">Example 1: Print all files</h3>
 <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><span class="kw">FUNC </span>PRNF(x)</span>
 <span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a>  ? x</span>
 <span id="cb1-3"><a href="#cb1-3" aria-hidden="true"></a>  PRNF=<span class="dt">TRUE</span></span>
 <span id="cb1-4"><a href="#cb1-4" aria-hidden="true"></a><span class="kw">END</span></span>
 <span id="cb1-5"><a href="#cb1-5" aria-hidden="true"></a></span>
 <span id="cb1-6"><a href="#cb1-6" aria-hidden="true"></a><span class="fu">DIRWALK</span> <span class="st">&quot;.&quot;</span> <span class="kw">USE</span> PRNF(x)</span></code></pre></div>
-<h2 id="example-2-create-a-list-of-all-files">Example 2: Create a list of all files</h2>
+<h3 id="example-2-create-a-list-of-all-files">Example 2: Create a list of all files</h3>
 <div class="sourceCode" id="cb2"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true"></a><span class="kw">FUNC </span>ListFiles(x)</span>
 <span id="cb2-2"><a href="#cb2-2" aria-hidden="true"></a>  FileList &lt;&lt; x</span>
 <span id="cb2-3"><a href="#cb2-3" aria-hidden="true"></a>  <span class="kw">return</span> <span class="dt">true</span></span>
@@ -92,7 +92,7 @@ <h2 id="example-2-create-a-list-of-all-files">Example 2: Create a list of all fi
 <span id="cb2-8"><a href="#cb2-8" aria-hidden="true"></a><span class="kw">for </span>n <span class="kw">in</span> FileList</span>
 <span id="cb2-9"><a href="#cb2-9" aria-hidden="true"></a>  <span class="kw">print</span> n.path, n.name</span>
 <span id="cb2-10"><a href="#cb2-10" aria-hidden="true"></a><span class="kw">next</span></span></code></pre></div>
-<h2 id="example-3-search-for-a-certain-file-using-wildcards">Example 3: Search for a certain file using wildcards</h2>
+<h3 id="example-3-search-for-a-certain-file-using-wildcards">Example 3: Search for a certain file using wildcards</h3>
 <div class="sourceCode" id="cb3"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true"></a><span class="kw">FUNC </span>ListFiles(x)</span>
 <span id="cb3-2"><a href="#cb3-2" aria-hidden="true"></a>  FileList &lt;&lt; x</span>
 <span id="cb3-3"><a href="#cb3-3" aria-hidden="true"></a>  <span class="kw">return</span> <span class="dt">true</span></span>
@@ -103,7 +103,7 @@ <h2 id="example-3-search-for-a-certain-file-using-wildcards">Example 3: Search f
 <span id="cb3-8"><a href="#cb3-8" aria-hidden="true"></a><span class="kw">for </span>n <span class="kw">in</span> FileList</span>
 <span id="cb3-9"><a href="#cb3-9" aria-hidden="true"></a>  <span class="kw">print</span> n.path</span>
 <span id="cb3-10"><a href="#cb3-10" aria-hidden="true"></a><span class="kw">next</span></span></code></pre></div>
-<h2 id="example-4-search-a-certain-file-using-user-defined-function">Example 4: Search a certain file using user defined function</h2>
+<h3 id="example-4-search-a-certain-file-using-user-defined-function">Example 4: Search a certain file using user defined function</h3>
 <div class="sourceCode" id="cb4"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true"></a><span class="kw">func </span>SearchFile(x)</span>
 <span id="cb4-2"><a href="#cb4-2" aria-hidden="true"></a>  <span class="kw">if(</span>x.name == <span class="st">&quot;scratch.bas&quot;</span>)</span>
 <span id="cb4-3"><a href="#cb4-3" aria-hidden="true"></a>    path = x.path</span>
@@ -116,7 +116,7 @@ <h2 id="example-4-search-a-certain-file-using-user-defined-function">Example 4:
 <span id="cb4-10"><a href="#cb4-10" aria-hidden="true"></a><span class="fu">DIRWALK</span> <span class="st">&quot;.&quot;</span> <span class="kw">USE</span> SearchFile(x)</span>
 <span id="cb4-11"><a href="#cb4-11" aria-hidden="true"></a></span>
 <span id="cb4-12"><a href="#cb4-12" aria-hidden="true"></a><span class="kw">print</span> path</span></code></pre></div>
-<h2 id="example-5-using-wilcards">Example 5: Using wilcards</h2>
+<h3 id="example-5-using-wilcards">Example 5: Using wilcards</h3>
 <div class="sourceCode" id="cb5"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true"></a><span class="kw">FUNC </span>ListFiles(x)</span>
 <span id="cb5-2"><a href="#cb5-2" aria-hidden="true"></a>  FileList &lt;&lt; x</span>
 <span id="cb5-3"><a href="#cb5-3" aria-hidden="true"></a>  <span class="kw">return</span> <span class="dt">true</span></span>
@@ -127,7 +127,7 @@ <h2 id="example-5-using-wilcards">Example 5: Using wilcards</h2>
 <span id="cb5-8"><a href="#cb5-8" aria-hidden="true"></a><span class="kw">for </span>n <span class="kw">in</span> FileList</span>
 <span id="cb5-9"><a href="#cb5-9" aria-hidden="true"></a>  <span class="kw">print</span> n.path, n.name</span>
 <span id="cb5-10"><a href="#cb5-10" aria-hidden="true"></a><span class="kw">next</span></span></code></pre></div>
-<h2 id="example-6-file-list-utility">Example 6: File list utility</h2>
+<h3 id="example-6-file-list-utility">Example 6: File list utility</h3>
 <div class="sourceCode" id="cb6"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true"></a></span>
 <span id="cb6-2"><a href="#cb6-2" aria-hidden="true"></a><span class="co">&#39; Note: this demo is also a useful utility (version 2)</span></span>
 <span id="cb6-3"><a href="#cb6-3" aria-hidden="true"></a></span>
@@ -300,7 +300,7 @@ <h2 id="example-6-file-list-utility">Example 6: File list utility</h2>
   </div>
 </div>
     <div class="pagefooter">
-      This page was last edited on Thu, 26 Jan 2023 23:05:33 +0100
+      This page was last edited on Mon, 23 Oct 2023 15:43:28 +0200
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reference/615.html

@@ -73,8 +73,8 @@ <h1>DRAW</h1>
       <a href="/pages/graphics.html">Graphics</a>
     </p>
   </div>
-<p>Draw lines as specified by the given CommandString. The CommandString is created using commands from the Graphics Definition Language. The start point for drawing can be defined using the PSET command. COLOR can be used to change the color of the lines.</p>
-<h2 id="graphics-definition-language">Graphics Definition Language</h2>
+<p>Draw lines as specified by the given <code>CommandString</code>. The <code>CommandString</code> is created using commands from the Graphics Definition Language. The start point for drawing can be defined using the PSET command. COLOR can be used to change the color of the lines.</p>
+<h3 id="graphics-definition-language">Graphics Definition Language</h3>
 <p>In the movement instructions below, n specifies a distance to move in pixel.</p>
 <table>
 <colgroup>
@@ -134,7 +134,7 @@ <h2 id="graphics-definition-language">Graphics Definition Language</h2>
 </tr>
 </tbody>
 </table>
-<h2 id="example-1-lets-draw-a-house">Example 1: Let’s draw a house</h2>
+<h3 id="example-1-lets-draw-a-house">Example 1: Let’s draw a house</h3>
 <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><span class="fu">COLOR</span> <span class="dv">9</span></span>
 <span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a><span class="fu">PSET</span> <span class="dv">80</span>,<span class="dv">80</span></span>
 <span id="cb1-3"><a href="#cb1-3" aria-hidden="true"></a><span class="fu">DRAW</span> <span class="st">&quot;R50D70L25U25L15D25NR15&quot;</span>   <span class="co">&#39; House part 1</span></span>
@@ -227,7 +227,7 @@ <h2 id="example-1-lets-draw-a-house">Example 1: Let’s draw a house</h2>
   </div>
 </div>
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-      This page was last edited on Sat, 28 Jan 2023 22:11:09 +0100
+      This page was last edited on Mon, 23 Oct 2023 15:52:24 +0200
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reference/617.html

@@ -155,9 +155,9 @@ <h3 id="save-command">Save command</h3>
 <p>The save command saves the image data into the given file handle, file name or array</p>
 <div class="sourceCode" id="cb11"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true"></a><span class="dt">dim</span> png</span>
 <span id="cb11-2"><a href="#cb11-2" aria-hidden="true"></a>i.save(png)</span></code></pre></div>
-<h3 id="clip-command-console-version-only">Clip command (console version only)</h3>
-<p>Reduces the size of the image.</p>
-<div class="sourceCode" id="cb12"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true"></a>png.clip(<span class="fu">left</span>, top, <span class="fu">right</span>, bottom)</span></code></pre></div>
+<h3 id="clip-command">Clip command</h3>
+<p>Clips the image. Next draw or show command will display only this part of the image. On the same image a new clip can be set.</p>
+<div class="sourceCode" id="cb12"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true"></a>i.clip(<span class="fu">left</span>, top, width, height)</span></code></pre></div>
 <h3 id="filter-command-console-version-only">Filter command (console version only)</h3>
 <p>Calls the supplied callback function on each pixel</p>
 <div class="sourceCode" id="cb13"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true"></a><span class="kw">func </span>colorToAlpha(x)</span>
@@ -904,7 +904,7 @@ <h3 id="console-version-example">Console version example</h3>
   </div>
 </div>
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-      This page was last edited on Tue, 12 Sep 2023 19:20:08 +0930
+      This page was last edited on Mon, 6 Nov 2023 21:11:57 +0100
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reference/642.html

@@ -74,11 +74,11 @@ <h1>DO</h1>
     </p>
   </div>
 <p>This keyword is used to declare single-line commands. It can be used with WHILE and FOR-family commands.</p>
-<h2 id="example-1">Example 1</h2>
+<h3 id="example-1">Example 1</h3>
 <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><span class="kw">For </span>i = <span class="dv">1</span> <span class="kw">to</span> <span class="dv">10</span> <span class="kw">do</span> <span class="kw">print</span> i </span></code></pre></div>
-<h2 id="example-2">Example 2</h2>
+<h3 id="example-2">Example 2</h3>
 <div class="sourceCode" id="cb2"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true"></a><span class="kw">FOR </span>f <span class="kw">IN</span> <span class="fu">files</span>(<span class="st">&quot;*.txt&quot;</span>) <span class="kw">DO</span> <span class="kw">PRINT</span> f</span></code></pre></div>
-<h2 id="example-3">Example 3</h2>
+<h3 id="example-3">Example 3</h3>
 <div class="sourceCode" id="cb3"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true"></a><span class="kw">While(</span>i &lt; <span class="dv">10</span>) <span class="kw">do</span> i++</span></code></pre></div>
   <div class="lavenderBox">
     <div class="header">Code samples using DO</div>
@@ -203,7 +203,7 @@ <h2 id="example-3">Example 3</h2>
   </div>
 </div>
     <div class="pagefooter">
-      This page was last edited on Fri, 27 Jan 2023 22:22:54 +0100
+      This page was last edited on Mon, 23 Oct 2023 15:50:09 +0200
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reference/694.html

@@ -74,11 +74,17 @@ <h1>DIFFEQN</h1>
     </p>
   </div>
 <p>Solving first-order differential equations using Runge-Kutta method.</p>
-<p>dy/dx = f(y,x) with start condition: y(x = x0) = y0</p>
-<p>x0,y0 = initial x,y<br />
-xf = final x<br />
-errcode = 0 for success; otherwise calculation error<br />
-yf = result</p>
+<ul>
+<li><code>expr</code> : f(y,x) = dy/dx with start condition: y(x = x0) = y0</li>
+<li><code>x0</code>, <code>y0</code> : initial x, y<br />
+</li>
+<li><code>xf</code> : final x</li>
+<li><code>yf</code> : result</li>
+<li><code>maxseq</code> : equivalent to precision</li>
+<li><code>maxerr</code> : maximum allowed error</li>
+<li><code>errcode</code> : 0 for success; otherwise calculation error</li>
+</ul>
+<h3 id="example-1">Example 1</h3>
 <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><span class="co">&#39; Solving dy/dx = 7*y^2 * x^3 with start condition y(2) = 3 </span></span>
 <span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a></span>
 <span id="cb1-3"><a href="#cb1-3" aria-hidden="true"></a><span class="kw">def</span> f1(x,y) = <span class="dv">7</span>*y^<span class="dv">2</span> * x^<span class="dv">3</span></span>
@@ -103,6 +109,7 @@ <h1>DIFFEQN</h1>
 <span id="cb1-22"><a href="#cb1-22" aria-hidden="true"></a>    <span class="kw">print</span> <span class="st">&quot;Error solving equation&quot;</span></span>
 <span id="cb1-23"><a href="#cb1-23" aria-hidden="true"></a>    <span class="kw">print</span> <span class="st">&quot;Increasing maxseg might help&quot;</span></span>
 <span id="cb1-24"><a href="#cb1-24" aria-hidden="true"></a><span class="kw">endif</span></span></code></pre></div>
+<h3 id="example-2">Example 2</h3>
 <div class="sourceCode" id="cb2"><pre class="sourceCode smallbasic"><code class="sourceCode smallbasic"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true"></a><span class="co">&#39; Defining the differential equation for a stiffness system</span></span>
 <span id="cb2-2"><a href="#cb2-2" aria-hidden="true"></a></span>
 <span id="cb2-3"><a href="#cb2-3" aria-hidden="true"></a><span class="kw">def</span> f2(y,t) = <span class="dv">-1000</span>*y + <span class="dv">3000</span> - <span class="dv">2000</span> * <span class="fu">exp</span>(-t)</span>
@@ -229,7 +236,7 @@ <h1>DIFFEQN</h1>
   </div>
 </div>
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-      This page was last edited on Mon, 17 Oct 2022 20:17:59 +0200
+      This page was last edited on Mon, 23 Oct 2023 15:36:14 +0200
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reference/729.html

@@ -65,17 +65,18 @@ <h4>SmallBASIC</h4>
     </div>
 <div class="article">
   <h1>DETERM</h1>
-  <blockquote>DETERM (A[, toler])</blockquote>
+  <blockquote>D = DETERM (A [, toler])</blockquote>
   <div class="siteSub">
     <p>
       <a href="/">Home</a> &gt;
       <a href="/pages/reference.html">Reference</a> &gt;
       <a href="/pages/math.html">Math</a>
     </p>
   </div>
-<p>Determinant of A. toler = tolerance number. the absolute value of the lowest acceptable number. default = 0.</p>
+<p>Determinant of <code>A</code>. <code>toler</code> is the tolerance number. It is equivalent to the absolute value of the lowest acceptable number. Default value is <code>0</code>.</p>
+<h3 id="example">Example</h3>
 <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">0</span>, <span class="dv">1</span>, <span class="dv">2</span>; <span class="dv">3</span>, <span class="dv">2</span>, <span class="dv">1</span>; <span class="dv">1</span>, <span class="dv">1</span>, <span class="dv">0</span>]</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a><span class="kw">print</span> <span class="fu">determ</span>(A)</span></code></pre></div>
+<span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a><span class="kw">print</span> <span class="fu">determ</span>(A)                    <span class="co">&#39; Output: 3</span></span></code></pre></div>
   <div class="lavenderBox">
     <div class="header">Code samples using DETERM</div>
     <div class="linklist">
@@ -197,7 +198,7 @@ <h1>DETERM</h1>
   </div>
 </div>
     <div class="pagefooter">
-      This page was last edited on Mon, 17 Oct 2022 16:52:55 +0200
+      This page was last edited on Mon, 23 Oct 2023 15:21:47 +0200
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reference/777.html

@@ -116,7 +116,7 @@ <h1>DISCLOSE</h1>
 </tr>
 </tbody>
 </table>
-<h2 id="example-1-disclose-default-pairs">Example 1: Disclose default pairs</h2>
+<h3 id="example-1-disclose-default-pairs">Example 1: Disclose default pairs</h3>
 <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>s = <span class="st">&quot;(abc)&quot;</span></span>
 <span id="cb1-2"><a href="#cb1-2" aria-hidden="true"></a><span class="kw">print</span> <span class="fu">disclose</span>(s)                        <span class="co">&#39; Output: abc</span></span></code></pre></div>
 <h3 id="example-2-disclose-non-default-pairs">Example 2: Disclose non-default pairs</h3>
@@ -210,7 +210,7 @@ <h3 id="example-3-disclose-with-ignore-pairs">Example 3: Disclose with ignore-pa
   </div>
 </div>
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-      This page was last edited on Mon, 25 Sep 2023 22:25:55 +0200
+      This page was last edited on Mon, 23 Oct 2023 15:46:28 +0200
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