Text::Wrap - line wrapping to form simple paragraphs

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It formats a single paragraph at a time by breaking lines at word boundries. Indentation is controlled for the first line (<code>$initial_tab</code>) and all subsequent lines (<code>$subsequent_tab</code>) independently. Please note: <code>$initial_tab</code> and <code>$subsequent_tab</code> are the literal strings that will be used: it is unlikley you would want to pass in a number.</p> <p>Text::Wrap::fill() is a simple multi-paragraph formatter. It formats each paragraph separately and then joins them together when it's done. It will destory any whitespace in the original text. It breaks text into paragraphs by looking for whitespace after a newline. In other respects it acts like wrap().</p> <h1 id="OVERRIDES"><a class="permalink" href="#OVERRIDES">#</a>OVERRIDES</h1> <p><code>Text::Wrap::wrap()</code> has a number of variables that control its behavior. Because other modules might be using <code>Text::Wrap::wrap()</code> it is suggested that you leave these variables alone! If you can't do that, then use <code>local($Text::Wrap::VARIABLE) = YOURVALUE</code> when you change the values so that the original value is restored. This <code>local()</code> trick will not work if you import the variable into your own namespace.</p> <p>Lines are wrapped at <code>$Text::Wrap::columns</code> columns. <code>$Text::Wrap::columns</code> should be set to the full width of your output device. In fact, every resulting line will have length of no more than <code>$columns - 1</code>.</p> <p>It is possible to control which characters terminate words by modifying <code>$Text::Wrap::break</code>. Set this to a string such as <code>'[\s:]'</code> (to break before spaces or colons) or a pre-compiled regexp such as <code>qr/[\s']/</code> (to break before spaces or apostrophes). The default is simply <code>'\s'</code>; that is, words are terminated by spaces. (This means, among other things, that trailing punctuation such as full stops or commas stay with the word they are "attached" to.)</p> <p>Beginner note: In example 2, above <code>$columns</code> is imported into the local namespace, and set locally. In example 3, <code>$Text::Wrap::columns</code> is set in its own namespace without importing it.</p> <p><code>Text::Wrap::wrap()</code> starts its work by expanding all the tabs in its input into spaces. The last thing it does it to turn spaces back into tabs. If you do not want tabs in your results, set <code>$Text::Wrap::unexapand</code> to a false value. Likewise if you do not want to use 8-character tabstops, set <code>$Text::Wrap::tabstop</code> to the number of characters you do want for your tabstops.</p> <p>If you want to separate your lines with something other than <code>\n</code> then set <code>$Text::Wrap::seporator</code> to your preference.</p> <p>When words that are longer than <code>$columns</code> are encountered, they are broken up. <code>wrap()</code> adds a <code>"\n"</code> at column <code>$columns</code>. This behavior can be overridden by setting <code>$huge</code> to 'die' or to 'overflow'. When set to 'die', large words will cause <code>die()</code> to be called. When set to 'overflow', large words will be left intact.</p> <p>Historical notes: 'die' used to be the default value of <code>$huge</code>. Now, 'wrap' is the default value.</p> <h1 id="EXAMPLE"><a class="permalink" href="#EXAMPLE">#</a>EXAMPLE</h1> <pre><code>print wrap("\t","","This is a bit of text that forms a normal book-style paragraph");</code></pre> <h1 id="AUTHOR"><a class="permalink" href="#AUTHOR">#</a>AUTHOR</h1> <p>David Muir Sharnoff <muir@idiom.com> with help from Tim Pierce and many many others.</p> </div> <div id="footer"> <p>Perldoc Browser is maintained by Dan Book (<a href="https://metacpan.org/author/DBOOK">DBOOK</a>). Please contact him via the <a href="https://github.com/Grinnz/perldoc-browser/issues">GitHub issue tracker</a> or <a href="mailto:dbook@cpan.org">email</a> regarding any issues with the site itself, search, or rendering of documentation.</p> <p>The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via the <a href="https://github.com/Perl/perl5/issues">Perl issue tracker</a>, the <a href="https://lists.perl.org/list/perl5-porters.html">mailing list</a>, or <a href="https://kiwiirc.com/client/irc.perl.org/p5p">IRC</a> to report any issues with the contents or format of the documentation.</p> </div> </div> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.slim.min.js" integrity="sha512-/DXTXr6nQodMUiq+IUJYCt2PPOUjrHJ9wFrqpJ3XkgPNOZVfMok7cRw6CSxyCQxXn6ozlESsSh1/sMCTF1rL/g==" crossorigin="anonymous"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.1/umd/popper.min.js" integrity="sha512-ubuT8Z88WxezgSqf3RLuNi5lmjstiJcyezx34yIU2gAHonIi27Na7atqzUZCOoY4CExaoFumzOsFQ2Ch+I/HCw==" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js" integrity="sha384-B4gt1jrGC7Jh4AgTPSdUtOBvfO8shuf57BaghqFfPlYxofvL8/KUEfYiJOMMV+rV" crossorigin="anonymous"></script> <script src="/js/highlight.pack.js"></script> <script>hljs.highlightAll();</script> </body> </html>

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Text::Wrap - line wrapping to form simple paragraphs - Perldoc Browser