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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Yabasic</title><meta name="generator" content="DocBook XSL Stylesheets V1.68.1" /></head><body><div class="book" lang="en" xml:lang="en"><div class="titlepage"><div><div><h1 class="title"><a id="id2407818"></a>Yabasic</h1></div></div><hr /></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="chapter"><a href="#chapter_intoduction">1. Introduction</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2498654">About this document</a></span></dt><dt><span class="sect1"><a href="#id2455854">About <span class="application">yabasic</span></a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_program_windows">2. The <span class="application">yabasic</span>-program under Windows</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2455307">Starting <span class="application">yabasic</span></a></span></dt><dt><span class="sect1"><a href="#id2455554">Options</a></span></dt><dt><span class="sect1"><a href="#id2452869">The context Menu</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_program_unix">3. The <span class="application">yabasic</span>-program under Unix</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2453000">Starting <span class="application">yabasic</span></a></span></dt><dt><span class="sect1"><a href="#id2510849">Options</a></span></dt><dt><span class="sect1"><a href="#id2511361">Setting defaults</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_topics">4. Some features of <span class="application">yabasic</span>, explained by topic</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2511460"><code class="function">print</code>, <code class="function">input</code> and others</a></span></dt><dt><span class="sect1"><a href="#id2511572">Control statements: loops, <code class="function">if</code> and <code class="function">switch</code></a></span></dt><dt><span class="sect1"><a href="#id2511842">Drawing and painting</a></span></dt><dt><span class="sect1"><a href="#id2512010">Reading from and writing to files</a></span></dt><dt><span class="sect1"><a href="#id2512101">Subroutines and Libraries</a></span></dt><dt><span class="sect1"><a href="#id2512181">String processing</a></span></dt><dt><span class="sect1"><a href="#id2512313">Arithmetic</a></span></dt><dt><span class="sect1"><a href="#id2512433">Data and such</a></span></dt><dt><span class="sect1"><a href="#id2512482">Other interesting commands.</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_topics_list">5. All commands and functions of <span class="application">yabasic</span> listed by topic</a></span></dt><dd><dl><dt><span class="sect1"><a href="#top_numbers">Number processing and conversion</a></span></dt><dt><span class="sect1"><a href="#top_conditions">Conditions and control structures</a></span></dt><dt><span class="sect1"><a href="#top_data">Data keeping and processing</a></span></dt><dt><span class="sect1"><a href="#top_strings">String processing</a></span></dt><dt><span class="sect1"><a href="#top_io">File operations and printing</a></span></dt><dt><span class="sect1"><a href="#top_sub">Subroutines and libraries</a></span></dt><dt><span class="sect1"><a href="#top_other">Other commands</a></span></dt><dt><span class="sect1"><a href="#top_graphics">Graphics and printing</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_ref_words">6. All commands and functions of <span class="application">yabasic</span> grouped alphabetically</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref_a">A</a></span></dt><dt><span class="sect1"><a href="#ref_b">B</a></span></dt><dt><span class="sect1"><a href="#ref_c">C</a></span></dt><dt><span class="sect1"><a href="#ref_d">D</a></span></dt><dt><span class="sect1"><a href="#ref_e">E</a></span></dt><dt><span class="sect1"><a href="#ref_f">F</a></span></dt><dt><span class="sect1"><a href="#ref_g">G</a></span></dt><dt><span class="sect1"><a href="#ref_h">H</a></span></dt><dt><span class="sect1"><a href="#ref_i">I</a></span></dt><dt><span class="sect1"><a href="#ref_l">L</a></span></dt><dt><span class="sect1"><a href="#ref_m">M</a></span></dt><dt><span class="sect1"><a href="#ref_n">N</a></span></dt><dt><span class="sect1"><a href="#ref_o">O</a></span></dt><dt><span class="sect1"><a href="#ref_p">P</a></span></dt><dt><span class="sect1"><a href="#ref_r">R</a></span></dt><dt><span class="sect1"><a href="#ref_s">S</a></span></dt><dt><span class="sect1"><a href="#ref_t">T</a></span></dt><dt><span class="sect1"><a href="#ref_u">U</a></span></dt><dt><span class="sect1"><a href="#ref_v">V</a></span></dt><dt><span class="sect1"><a href="#ref_w">W</a></span></dt><dt><span class="sect1"><a href="#ref_x">X</a></span></dt><dt><span class="sect1"><a href="#ref_special_characters">Special characters</a></span></dt><dt><span class="sect1"><a href="#reserved_word">Reserved Words</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_ref_concepts">7. A grab-bag of some general concepts and terms</a></span></dt><dd><dl><dt><span class="sect1"><a href="#ref_logical_shortcuts">Logical shortcuts</a></span></dt><dt><span class="sect1"><a href="#ref_conditions_and_expressions">Conditions and expressions</a></span></dt><dt><span class="sect1"><a href="#ref_array_references">References on arrays</a></span></dt><dt><span class="sect1"><a href="#ref_windows_filenames">Specifying Filenames under Windows</a></span></dt><dt><span class="sect1"><a href="#ref_escape_sequences">Escape-sequences</a></span></dt><dt><span class="sect1"><a href="#ref_standalone">Creating a <span class="emphasis"><em>standalone</em></span> program from your yabasic-program</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_examples">8. A few example programs</a></span></dt><dd><dl><dt><span class="sect1"><a href="#id2547195">A very simple program</a></span></dt><dt><span class="sect1"><a href="#id2547219">The demo of yabasic</a></span></dt></dl></dd><dt><span class="chapter"><a href="#chapter_copyright">9. The Copyright of <span class="application">yabasic</span></a></span></dt></dl></div><div class="chapter" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title"><a id="chapter_intoduction"></a>Chapter聽1.聽Introduction</h2></div></div></div><div class="toc"><dl><dt><span class="sect1"><a href="#id2498654">About this document</a></span></dt><dt><span class="sect1"><a href="#id2455854">About <span class="application">yabasic</span></a></span></dt></dl></div><div class="sect1" lang="en" xml:lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a id="id2498654"></a>About this document</h2></div></div></div><p> This document describes <span class="application">yabasic</span>. You will find information about the <span class="application">yabasic</span> interpreter (the program <span><strong class="command">yabasic</strong></span> under Unix or <span><strong class="command">yabasic.exe</strong></span> under Windows) as well as the language (which is, of course, a sort of<span class="acronym">basic</span>) itself.</p><p> </p><p> This document applies to version 2.760 of <span class="application">yabasic</span></p><p> However, this document does not contain the latest news about <span class="application">yabasic</span> or a FAQ. As such information tends to change rapidly, it is presented online only at <a href="http://www.yabasic.de" target="_top">www.yabasic.de</a>.</p><p>⌨️ 快捷键说明
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