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Introduction</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-2/c-b-character-syntax.html">2. Syntax</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-3/d-b-evaluation.html">3. Evaluation and Compilation</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-4/e-b-introduction.html">4. Types and Classes</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-5/f-b-generalized-reference.html">5. Data and Control Flow</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-6/g-b-the-loop-facility.html">6. Iteration</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-7/h-b-object-creation-and-initialization.html">7. Objects</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../category/81-structures-dictionary.html">8. Structures</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-9/j-b-condition-system-concepts.html">9. Conditions</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-10/ba-b-symbol-concepts.html">10. Symbols</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-11/bb-b-package-concepts.html">11. Packages</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-12/bc-b-number-concepts.html">12. Numbers</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-13/bd-b-character-concepts.html">13. Characters</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-14/be-b-cons-concepts.html">14. Conses</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-15/bf-b-array-concepts.html">15. Arrays</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-16/bg-b-string-concepts.html">16. Strings</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-17/bh-b-sequence-concepts.html">17. Sequences</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-18/bi-b-hash-table-concepts.html">18. Hash Tables</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret menu__link--active" aria-expanded="true" href="bj-b-overview-of-filenames.html">19. Filenames</a></div><ul style="display:block;overflow:visible;height:auto" class="menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="bj-b-overview-of-filenames.html">19.1 Overview of Filenames</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link" tabindex="0" href="bj-c-pathnames.html">19.2 Pathnames</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-2 menu__list-item"><a class="menu__link menu__link--active" aria-current="page" tabindex="0" href="bj-d-logical-pathnames.html">19.3 Logical Pathnames</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-2 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" tabindex="0" href="../category/194-filenames-dictionary.html">19.4 Filenames Dictionary</a><button aria-label="Expand sidebar category '19.4 Filenames Dictionary'" type="button" class="clean-btn menu__caret"></button></div></li></ul></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-20/ca-b-file-system-concepts.html">20. Files</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-21/cb-b-stream-concepts.html">21. Streams</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-22/cc-b-the-lisp-printer.html">22. Printer</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-23/cd-b-reader-concepts.html">23. Reader</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-24/ce-b-system-construction-concepts.html">24. System Construction</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-25/cf-b-the-external-environment.html">25. External Environment</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../environments.html">26. Environments</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../meta-object-protocol.html">27. Meta Object Protocol</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../data-structures.html">28. Data Structures</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../portability/trivial-packages.html">29. Portability</a></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="../dictionary-entries.html">dictionary-entries</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="../chap-26/intro.html">Glossary</a></div></li></ul></nav></div></div></aside><main class="docMainContainer_TBSr"><div class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="../index.html"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">19. Filenames</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">19.3 Logical Pathnames</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><h1>19.3 Logical Pathnames</h1>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="1931-syntax-of-logical-pathname-namestrings">19.3.1 Syntax of Logical Pathname Namestrings<a href="bj-d-logical-pathnames.html#1931-syntax-of-logical-pathname-namestrings" class="hash-link" aria-label="Direct link to 19.3.1 Syntax of Logical Pathname Namestrings" title="Direct link to 19.3.1 Syntax of Logical Pathname Namestrings"></a></h2>
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<p>The syntax of a <em>logical pathname namestring</em> is as follows. (Note that unlike many notational descriptions in this document, this is a syntactic description of character sequences, not a structural description of <span><i>objects</i></span>.)</p>
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<p><em>logical-pathname::</em>=[<em>↓host host-marker</em>]</p>
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<p>[<em>↓relative-directory-marker</em>] <em>{↓directory directory-marker}</em>*</p>
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<p>[<span><i>↓name</i></span>] [<em>type-marker ↓type</em> [<em>version-marker ↓version</em>]]</p>
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<p><em>host::</em>=<em>↓word</em></p>
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<p><em>directory::</em>=<em>↓word | ↓wildcard-word | ↓wild-inferiors-word</em></p>
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<p><span><i>name::</i></span>=<em>↓word | ↓wildcard-word</em></p>
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<p><span><i>type::</i></span>=<em>↓word | ↓wildcard-word</em></p>
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<p><em>version::</em>=<em>↓pos-int | newest-word | wildcard-version</em></p>
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<p><em>host-marker</em>—a <span><i>colon</i></span>.</p>
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<p><em>relative-directory-marker</em>—a <span><i>semicolon</i></span>.</p>
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<p><em>directory-marker</em>—a <span><i>semicolon</i></span>.</p>
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<p><em>type-marker</em>—a <span><i>dot</i></span>.</p>
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<p><em>version-marker</em>—a <span><i>dot</i></span>.</p>
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<p><em>wild-inferiors-word</em>—The two character sequence “**” (two <span><i>asterisks</i></span>).</p>
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<p><em>newest-word</em>—The six character sequence “newest” or the six character sequence “NEWEST”. <em>wildcard-version</em>—an <span><i>asterisk</i></span>.</p>
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<p><em>wildcard-word</em>—one or more <span><i>asterisks</i></span>, uppercase letters, digits, and hyphens, including at least one <span><i>asterisk</i></span>, with no two <span><i>asterisks</i></span> adjacent.</p>
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<p><em>word</em>—one or more uppercase letters, digits, and hyphens.</p>
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<p><em>pos-int</em>—a positive <em>integer</em> .</p>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="19311-additional-information-about-parsing-logical-pathname-namestrings">19.3.1.1 Additional Information about Parsing Logical Pathname Namestrings<a href="bj-d-logical-pathnames.html#19311-additional-information-about-parsing-logical-pathname-namestrings" class="hash-link" aria-label="Direct link to 19.3.1.1 Additional Information about Parsing Logical Pathname Namestrings" title="Direct link to 19.3.1.1 Additional Information about Parsing Logical Pathname Namestrings"></a></h3>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193111-the-host-part-of-a-logical-pathname-namestring">19.3.1.1.1 The Host part of a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193111-the-host-part-of-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.1 The Host part of a Logical Pathname Namestring" title="Direct link to 19.3.1.1.1 The Host part of a Logical Pathname Namestring"></a></h4>
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<p>The <em>host</em> must have been defined as a <span><i>logical pathname</i></span> host; this can be done by using <span><b>setf</b></span> of <span><b>logical-pathname-translations</b></span>.</p>
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<p>The <span><i>logical pathname</i></span> host name "SYS" is reserved for the implementation. The existence and meaning of SYS: <span><i>logical pathnames</i></span> is <span><i>implementation-defined</i></span>.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193112-the-device-part-of-a-logical-pathname-namestring">19.3.1.1.2 The Device part of a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193112-the-device-part-of-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.2 The Device part of a Logical Pathname Namestring" title="Direct link to 19.3.1.1.2 The Device part of a Logical Pathname Namestring"></a></h4>
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<p>There is no syntax for a <span><i>logical pathname</i></span> device since the device component of a <span><i>logical pathname</i></span> is always <!-- -->:unspecific<!-- -->; see Section 19.3.2.1 (Unspecific Components of a Logical Pathname).</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193113-the-directory-part-of-a-logical-pathname-namestring">19.3.1.1.3 The Directory part of a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193113-the-directory-part-of-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.3 The Directory part of a Logical Pathname Namestring" title="Direct link to 19.3.1.1.3 The Directory part of a Logical Pathname Namestring"></a></h4>
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<p>If a <em>relative-directory-marker</em> precedes the <em>directories</em>, the directory component parsed is as <span><i>relative</i></span>; otherwise, the directory component is parsed as <span><i>absolute</i></span>.</p>
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<p>If a <em>wild-inferiors-marker</em> is specified, it parses into <!-- -->:wild-inferiors<!-- -->.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193114-the-type-part-of-a-logical-pathname-namestring">19.3.1.1.4 The Type part of a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193114-the-type-part-of-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.4 The Type part of a Logical Pathname Namestring" title="Direct link to 19.3.1.1.4 The Type part of a Logical Pathname Namestring"></a></h4>
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<p>The <span><i>type</i></span> of a <span><i>logical pathname</i></span> for a <span><i>source file</i></span> is "LISP". This should be translated into whatever type is appropriate in a physical pathname.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193115-the-version-part-of-a-logical-pathname-namestring">19.3.1.1.5 The Version part of a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193115-the-version-part-of-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.5 The Version part of a Logical Pathname Namestring" title="Direct link to 19.3.1.1.5 The Version part of a Logical Pathname Namestring"></a></h4>
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<p>Some <span><i>file systems</i></span> do not have <em>versions</em>. <span><i>Logical pathname</i></span> translation to such a <span><i>file system</i></span> ignores the <em>version</em>. This implies that a program cannot rely on being able to store more than one version of a file named by a <span><i>logical pathname</i></span>.</p>
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<p>If a <em>wildcard-version</em> is specified, it parses into <!-- -->:wild<!-- -->.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193116-wildcard-words-in-a-logical-pathname-namestring">19.3.1.1.6 Wildcard Words in a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193116-wildcard-words-in-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.6 Wildcard Words in a Logical Pathname Namestring" title="Direct link to 19.3.1.1.6 Wildcard Words in a Logical Pathname Namestring"></a></h4>
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<p>Each <span><i>asterisk</i></span> in a <em>wildcard-word</em> matches a sequence of zero or more characters. The <em>wildcard-word</em> “*” parses into <!-- -->:wild<!-- -->; other <em>wildcard-words</em> parse into <span><i>strings</i></span>.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193117-lowercase-letters-in-a-logical-pathname-namestring">19.3.1.1.7 Lowercase Letters in a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193117-lowercase-letters-in-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.7 Lowercase Letters in a Logical Pathname Namestring" title="Direct link to 19.3.1.1.7 Lowercase Letters in a Logical Pathname Namestring"></a></h4>
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<p>When parsing <em>words</em> and <em>wildcard-words</em>, lowercase letters are translated to uppercase.</p>
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<h4 class="anchor anchorWithStickyNavbar_LWe7" id="193118-other-syntax-in-a-logical-pathname-namestring">19.3.1.1.8 Other Syntax in a Logical Pathname Namestring<a href="bj-d-logical-pathnames.html#193118-other-syntax-in-a-logical-pathname-namestring" class="hash-link" aria-label="Direct link to 19.3.1.1.8 Other Syntax in a Logical Pathname Namestring" title="Direct link to 19.3.1.1.8 Other Syntax in a Logical Pathname Namestring"></a></h4>
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<p>The consequences of using characters other than those specified here in a <em>logical pathname namestring</em> are unspecified.</p>
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<p>The consequences of using any value not specified here as a <span><i>logical pathname</i></span> component are unspecified.</p>
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<h2 class="anchor anchorWithStickyNavbar_LWe7" id="1932-logical-pathname-components">19.3.2 Logical Pathname Components<a href="bj-d-logical-pathnames.html#1932-logical-pathname-components" class="hash-link" aria-label="Direct link to 19.3.2 Logical Pathname Components" title="Direct link to 19.3.2 Logical Pathname Components"></a></h2>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="19321-unspecific-components-of-a-logical-pathname">19.3.2.1 Unspecific Components of a Logical Pathname<a href="bj-d-logical-pathnames.html#19321-unspecific-components-of-a-logical-pathname" class="hash-link" aria-label="Direct link to 19.3.2.1 Unspecific Components of a Logical Pathname" title="Direct link to 19.3.2.1 Unspecific Components of a Logical Pathname"></a></h3>
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<p>The device component of a <span><i>logical pathname</i></span> is always <!-- -->:unspecific<!-- -->; no other component of a <span><i>logical pathname</i></span> can be <!-- -->:unspecific<!-- -->.</p>
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<h3 class="anchor anchorWithStickyNavbar_LWe7" id="19322-null-strings-as-components-of-a-logical-pathname">19.3.2.2 Null Strings as Components of a Logical Pathname<a href="bj-d-logical-pathnames.html#19322-null-strings-as-components-of-a-logical-pathname" class="hash-link" aria-label="Direct link to 19.3.2.2 Null Strings as Components of a Logical Pathname" title="Direct link to 19.3.2.2 Null Strings as Components of a Logical Pathname"></a></h3>
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<p>The null string, "", is not a valid value for any component of a <span><i>logical pathname</i></span>.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/lisp-docs/cl-language-reference/tree/main/docs/chap-19/bj-d-logical-pathnames.md" target="_blank" rel="noopener noreferrer" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"><span class="theme-last-updated">Last updated<!-- --> by <b>daninus14</b></span></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="bj-c-pathnames.html"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">19.2 Pathnames</div></a><a class="pagination-nav__link pagination-nav__link--next" href="../category/194-filenames-dictionary.html"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">19.4 Filenames Dictionary</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a href="bj-d-logical-pathnames.html#1931-syntax-of-logical-pathname-namestrings" class="table-of-contents__link toc-highlight">19.3.1 Syntax of Logical Pathname Namestrings</a><ul><li><a href="bj-d-logical-pathnames.html#19311-additional-information-about-parsing-logical-pathname-namestrings" class="table-of-contents__link toc-highlight">19.3.1.1 Additional Information about Parsing Logical Pathname Namestrings</a><ul><li><a href="bj-d-logical-pathnames.html#193111-the-host-part-of-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.1 The Host part of a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193112-the-device-part-of-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.2 The Device part of a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193113-the-directory-part-of-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.3 The Directory part of a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193114-the-type-part-of-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.4 The Type part of a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193115-the-version-part-of-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.5 The Version part of a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193116-wildcard-words-in-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.6 Wildcard Words in a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193117-lowercase-letters-in-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.7 Lowercase Letters in a Logical Pathname Namestring</a></li><li><a href="bj-d-logical-pathnames.html#193118-other-syntax-in-a-logical-pathname-namestring" class="table-of-contents__link toc-highlight">19.3.1.1.8 Other Syntax in a Logical Pathname Namestring</a></li></ul></li></ul></li><li><a href="bj-d-logical-pathnames.html#1932-logical-pathname-components" class="table-of-contents__link toc-highlight">19.3.2 Logical Pathname Components</a><ul><li><a href="bj-d-logical-pathnames.html#19321-unspecific-components-of-a-logical-pathname" class="table-of-contents__link toc-highlight">19.3.2.1 Unspecific Components of a Logical Pathname</a></li><li><a href="bj-d-logical-pathnames.html#19322-null-strings-as-components-of-a-logical-pathname" class="table-of-contents__link toc-highlight">19.3.2.2 Null Strings as Components of a Logical Pathname</a></li></ul></li></ul></div></div></div></div></main></div></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="row footer__links"><div class="col footer__col"><div class="footer__title">Docs</div><ul class="footer__items clean-list"><li class="footer__item"><a href="../../docs/tutorial.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Common Lisp Tutorial</a></li><li class="footer__item"><a href="../index.html" target="_blank" rel="noopener noreferrer" class="footer__link-item">Common Lisp Technical Reference</a></li><li class="footer__item"><a href="../../docs/help.html" target="_blank" rel="noopener noreferrer" 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