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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><meta name="viewport" content="width=device-width, initial-scale=0.8"/><title>15.1.2 More Path Utilities</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="extras.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,"tocview_0");">►</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">The Racket Reference</a></td></tr></table></div><div class="tocviewsublisttop" style="display: none;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1 </td><td><a href="model.html" class="tocviewlink" data-pltdoc="x">Language Model</a></td></tr><tr><td align="right">2 </td><td><a href="notation.html" class="tocviewlink" data-pltdoc="x">Notation for Documentation</a></td></tr><tr><td align="right">3 </td><td><a href="syntax.html" class="tocviewlink" data-pltdoc="x">Syntactic Forms</a></td></tr><tr><td align="right">4 </td><td><a href="data.html" class="tocviewlink" data-pltdoc="x">Datatypes</a></td></tr><tr><td align="right">5 </td><td><a href="structures.html" class="tocviewlink" data-pltdoc="x">Structures</a></td></tr><tr><td align="right">6 </td><td><a href="mzlib_class.html" class="tocviewlink" data-pltdoc="x">Classes and Objects</a></td></tr><tr><td align="right">7 </td><td><a href="mzlib_unit.html" class="tocviewlink" data-pltdoc="x">Units</a></td></tr><tr><td align="right">8 </td><td><a href="contracts.html" class="tocviewlink" data-pltdoc="x">Contracts</a></td></tr><tr><td align="right">9 </td><td><a href="match.html" class="tocviewlink" data-pltdoc="x">Pattern Matching</a></td></tr><tr><td align="right">10 </td><td><a href="control.html" class="tocviewlink" data-pltdoc="x">Control Flow</a></td></tr><tr><td align="right">11 </td><td><a href="concurrency.html" class="tocviewlink" data-pltdoc="x">Concurrency and Parallelism</a></td></tr><tr><td align="right">12 </td><td><a href="Macros.html" class="tocviewlink" data-pltdoc="x">Macros</a></td></tr><tr><td align="right">13 </td><td><a href="input-and-output.html" class="tocviewlink" data-pltdoc="x">Input and Output</a></td></tr><tr><td align="right">14 </td><td><a href="security.html" class="tocviewlink" data-pltdoc="x">Reflection and Security</a></td></tr><tr><td align="right">15 </td><td><a href="os.html" class="tocviewselflink" data-pltdoc="x">Operating System</a></td></tr><tr><td align="right">16 </td><td><a href="memory.html" class="tocviewlink" data-pltdoc="x">Memory Management</a></td></tr><tr><td align="right">17 </td><td><a href="unsafe.html" class="tocviewlink" data-pltdoc="x">Unsafe Operations</a></td></tr><tr><td align="right">18 </td><td><a href="running.html" cl
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syntactically a directory path (see <span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._split-path%29%29" class="RktValLink" data-pltdoc="x">split-path</a></span>), then the
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result is <span class="RktVal">#f</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._path-get-extension))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValDef RktValLink" data-pltdoc="x">path-get-extension</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="bytestrings.html#%28def._%28%28quote._~23~25kernel%29._bytes~3f%29%29" class="RktValLink" data-pltdoc="x">bytes?</a></span><span class="hspace"> </span><span class="RktVal">#f</span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span><span class="RktPn">)</span></td></tr></table></blockquote></div><div class="SIntrapara">Returns a byte string that is the extension part of the filename in
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<span class="RktVar">path</span>, including the <span class="RktInBG"><span class="hspace"></span><span class="RktIn">.</span><span class="hspace"></span></span> separator. If the path has no
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extension, <span class="RktVal">#f</span> is returned.</div></p><p>See <span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-replace-extension%29%29" class="RktValLink" data-pltdoc="x">path-replace-extension</a></span> for the definition of a filename
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extension.</p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValLink" data-pltdoc="x">path-get-extension</a></span><span class="hspace"> </span><span class="RktVal">"x/y.rkt"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#".rkt"</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValLink" data-pltdoc="x">path-get-extension</a></span><span class="hspace"> </span><span class="RktVal">"x/y"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValLink" data-pltdoc="x">path-get-extension</a></span><span class="hspace"> </span><span class="RktVal">"x/y.tar.gz"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#".gz"</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValLink" data-pltdoc="x">path-get-extension</a></span><span class="hspace"> </span><span class="RktVal">"x/.racketrc"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr></table></blockquote></div></p><p class="SHistory">Added in version 6.5.0.3 of package <span class="stt">base</span>.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._path-has-extension~3f))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValDef RktValLink" data-pltdoc="x">path-has-extension?</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span><span class="RktVar">ext</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="bytestrings.html#%28def._%28%28quote._~23~25kernel%29._bytes~3f%29%29" class="RktValLink" data-pltdoc="x">bytes?</a></span><span class="hspace"> </span><span class="RktVal">#f</span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" cla
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<span class="RktVar">ext</span> but is not exactly the same as <span class="RktVar">ext</span>.</div></p><p>If <span class="RktVar">ext</span> is a <a href="bytestrings.html#%28tech._byte._string%29" class="techoutside" data-pltdoc="x"><span class="techinside">byte string</span></a> with the shape of an extension
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(i.e., starting with <span class="RktInBG"><span class="hspace"></span><span class="RktIn">.</span><span class="hspace"></span></span> and not including another <span class="RktInBG"><span class="hspace"></span><span class="RktIn">.</span><span class="hspace"></span></span>), this check is equivalent to
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checking whether <span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-get-extension%29%29" class="RktValLink" data-pltdoc="x">path-get-extension</a></span><span class="stt"> </span><span class="RktVar">path</span><span class="RktPn">)</span> produces <span class="RktVar">ext</span>.</p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValLink" data-pltdoc="x">path-has-extension?</a></span><span class="hspace"> </span><span class="RktVal">"x/y.rkt"</span><span class="hspace"> </span><span class="RktVal">#".rkt"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValLink" data-pltdoc="x">path-has-extension?</a></span><span class="hspace"> </span><span class="RktVal">"x/y.ss"</span><span class="hspace"> </span><span class="RktVal">#".rkt"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValLink" data-pltdoc="x">path-has-extension?</a></span><span class="hspace"> </span><span class="RktVal">"x/y"</span><span class="hspace"> </span><span class="RktVal">#".rkt"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValLink" data-pltdoc="x">path-has-extension?</a></span><span class="hspace"> </span><span class="RktVal">"x/.racketrc"</span><span class="hspace"> </span><span class="RktVal">#".racketrc"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-has-extension~3f%29%29" class="RktValLink" data-pltdoc="x">path-has-extension?</a></span><span class="hspace"> </span><span class="RktVal">"x/compiled/y_rkt.zo"</span><span class="hspace"> </span><span class="RktVal">#"_rkt.zo"</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr></table></blockquote></div></p><p class="SHistory">Added in version 6.5.0.3 of package <span class="stt">base</span>.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._filename-extension))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._filename-extension%29%29" class="RktValDef RktValLink" data-pltdoc="x">filename-extension</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data
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<span class="RktVar">path</span> without the <span class="RktInBG"><span class="hspace"></span><span class="RktIn">.</span><span class="hspace"></span></span> separator. If <span class="RktVar">path</span> is
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syntactically a directory (see <span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._split-path%29%29" class="RktValLink" data-pltdoc="x">split-path</a></span>) or if the path has
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no extension, <span class="RktVal">#f</span> is returned.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><table cellspacing="0" cellpadding="0" class="prototype RForeground"><tr><td valign="top"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._find-relative-path))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._find-relative-path%29%29" class="RktValDef RktValLink" data-pltdoc="x">find-relative-path</a></span></span></td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktVar">base</span></td><td valign="top"><span class="hspace"> </span></td></tr><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktVar">path</span></td><td valign="top"><span class="hspace"> </span></td></tr><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span><span class="RktOpt">[</span></td><td valign="top"><span class="RktPn">#:more-than-root?</span><span class="hspace"> </span><span class="RktVar">more-than-root?</span></td><td valign="top"><span class="hspace"> </span></td></tr><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktPn">#:more-than-same?</span><span class="hspace"> </span><span class="RktVar">more-than-same?</span></td><td valign="top"><span class="hspace"> </span></td></tr><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktPn">#:normalize-case?</span><span class="hspace"> </span><span class="RktVar">normalize-case?</span><span class="RktOpt">]</span><span class="RktPn">)</span></td><td valign="top"><span class="hspace"> </span></td></tr></table></blockquote></td></tr><tr><td><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">base</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.h
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same file or directory as <span class="RktVar">path</span>. Both <span class="RktVar">base</span> and
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<span class="RktVar">path</span> must be simplified in the sense of
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<span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._simple-form-path%29%29" class="RktValLink" data-pltdoc="x">simple-form-path</a></span>. If <span class="RktVar">path</span> shares no subpath in
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common with <span class="RktVar">base</span>, <span class="RktVar">path</span> is returned.</div></p><p>If <span class="RktVar">more-than-root?</span> is true, if <span class="RktVar">base</span> and
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<span class="RktVar">path</span> share only a Unix root in common, and if neither
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<span class="RktVar">base</span> nor <span class="RktVar">path</span> is just a root path, then
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<span class="RktVar">path</span> is returned.</p><p>If <span class="RktVar">path</span> is the same as <span class="RktVar">base</span>, then
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<span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="stt"> </span><span class="RktVal">'</span><span class="RktVal">same</span><span class="RktPn">)</span> is returned only if
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<span class="RktVar">more-than-same?</span> is true. Otherwise, <span class="RktVar">path</span> is
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returned when <span class="RktVar">path</span> is the same as <span class="RktVar">base</span>.</p><p>If <span class="RktVar">normalize-case?</span> is true (the default), then pairs of path
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elements to be compared are first converted via
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<span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._normal-case-path%29%29" class="RktValLink" data-pltdoc="x">normal-case-path</a></span>, which means that path elements are
|
||
|
|
compared case-insentively on Windows. If <span class="RktVar">normalize-case?</span> is
|
||
|
|
<span class="RktVal">#f</span>, then path elements and the path roots match only if they
|
||
|
|
have the same case.</p><p>The result is normally a <a href="pathutils.html#%28tech._path%29" class="techoutside" data-pltdoc="x"><span class="techinside">path</span></a> in the sense of <span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path~3f%29%29" class="RktValLink" data-pltdoc="x">path?</a></span>.
|
||
|
|
The result is a string only if <span class="RktVar">path</span> is provided a string and
|
||
|
|
also returned as the result.</p><p class="SHistory">Changed in version 6.8.0.3 of package <span class="stt">base</span>: Made path elements case-normalized
|
||
|
|
for comparison by default, and
|
||
|
|
added the <span class="RktPn">#:normalize-case?</span>
|
||
|
|
argument.<br/>Changed in version 6.90.0.21: Added the <span class="RktPn">#:more-than-same?</span>
|
||
|
|
argument.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._normalize-path))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._normalize-path%29%29" class="RktValDef RktValLink" data-pltdoc="x">normalize-path</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span><span class="RktOpt">[</span><span class="RktVar">wrt</span><span class="RktOpt">]</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path~3f%29%29" class="RktValLink" data-pltdoc="x">path?</a></span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="argcontract"><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktVar">wrt</span></td><td valign="top"><span class="hspace"> </span></td><td valign="top">:</td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._and%2Fc%29%29" class="RktValLink" data-pltdoc="x">and/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._complete-path~3f%29%29" class="RktValLink" data-pltdoc="x">complete-path?</a></span><span class="RktPn">)</span></td></tr><tr><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="hspace"> </span></td><td valign="top">=</td><td valign="top"><span class="hspace"> </span></td><td valign="top"><span class="RktPn">(</span><span class="RktSym"><a href="Filesystem.html#%28def._%28%28quote._~23~25kernel%29._current-directory%29%29" class="RktValLink" data-pltdoc="x">current-directory</a></span><span class="RktPn">)</span></td></tr></table></td></tr></table></blockquote></div><div class="SIntrapara"><blockquote class="refpara"><blockquote class="refcolumn"><blockquote class="refcontent"><p>For most purposes, <span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._simple-form-path%29%29" class="RktValLink" data-pltdoc="x">simple-form-path</a></span> is the
|
||
|
|
preferred mechanism to normalize a path, because it works for paths
|
||
|
|
that include non-existent directory components, and it avoids
|
||
|
|
unnecessarily expanding soft links.</p></blockquote></blockquote></blockquote></div></p><p>Returns a complete version of <span class="RktVar">path</span> by making the path
|
||
|
|
complete, expanding the complete path, and resolving all soft links
|
||
|
|
(which requires consulting the filesystem). If <span class="RktVar">path</span> is
|
||
|
|
relative, then <span class="RktVar">wrt</span> is used as the base path.</p><p>Letter case is <span style="font-style: italic">not</span> normalized by <span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._normalize-path%29%29" class="RktValLink" data-pltdoc="x">normalize-path</a></span>. For
|
||
|
|
this and other reasons, such as whether the path is syntactically a
|
||
|
|
directory, the result of <span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._normalize-path%29%29" class="RktValLink" data-pltdoc="x">normalize-path</a></span> is not suitable for
|
||
|
|
comparisons that determine whether two paths refer to the same file or
|
||
|
|
directory (i.e., the comparison may produce false negatives).</p><p>An error is signaled by <span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._normalize-path%29%29" class="RktValLink" data-pltdoc="x">normalize-path</a></span> if the input
|
||
|
|
path contains an embedded path for a non-existent directory,
|
||
|
|
or if an infinite cycle of soft links is detected.</p><p><div class="SIntrapara">Example:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="Equality.html#%28def._%28%28quote._~23~25kernel%29._equal~3f%29%29" class="RktValLink" data-pltdoc="x">equal?</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Filesystem.html#%28def._%28%28quote._~23~25kernel%29._current-directory%29%29" class="RktValLink" data-pltdoc="x">current-directory</a></span><span class="RktPn">)</span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._normalize-path%29%29" class="RktValLink" data-pltdoc="x">normalize-path</a></span><span class="hspace"> </span><span class="RktVal">"."</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#t</span></p></td></tr></table></blockquote></div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._path-element~3f))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-element~3f%29%29" class="RktValDef RktValLink" data-pltdoc="x">path-element?</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktSym"><a href="booleans.html#%28def._%28%28quote._~23~25kernel%29._boolean~3f%29%29" class="RktValLink" data-pltdoc="x">boolean?</a></span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fprivate%2Fmisc..rkt%29._any%2Fc%29%29" class="RktValLink" data-pltdoc="x">any/c</a></span></td></tr></table></blockquote></div><div class="SIntrapara">Returns <span class="RktVal">#t</span> if <span class="RktVar">path</span> is a <a name="(tech._path._element)"></a><span style="font-style: italic">path element</span>:
|
||
|
|
a path value for some platform (see <span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span>) such that
|
||
|
|
<span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._split-path%29%29" class="RktValLink" data-pltdoc="x">split-path</a></span> applied to <span class="RktVar">path</span> would return
|
||
|
|
<span class="RktVal">'</span><span class="RktVal">relative</span> as its first result and a path as its second
|
||
|
|
result. Otherwise, the result is <span class="RktVal">#f</span>.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._path-only))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-only%29%29" class="RktValDef RktValLink" data-pltdoc="x">path-only</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktVal">#f</span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28lib._racket%2Fprivate%2Fmisc..rkt%29._path-string~3f%29%29" class="RktValLink" data-pltdoc="x">path-string?</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span><span class="RktPn">)</span></td></tr></table></blockquote></div><div class="SIntrapara">Returns <span class="RktVar">path</span> without its final path element in the case that
|
||
|
|
<span class="RktVar">path</span> is not syntactically a directory; if <span class="RktVar">path</span> has only
|
||
|
|
a single, non-directory path element, <span class="RktVal">#f</span> is returned. If
|
||
|
|
<span class="RktVar">path</span> is syntactically a directory, then <span class="RktVar">path</span> is
|
||
|
|
returned unchanged (but as a path, if it was a string).</div></p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-only%29%29" class="RktValLink" data-pltdoc="x">path-only</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"a"</span><span class="hspace"> </span><span class="RktVal">"b"</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#<path:a/></span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-only%29%29" class="RktValLink" data-pltdoc="x">path-only</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"a"</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#f</span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-only%29%29" class="RktValLink" data-pltdoc="x">path-only</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-~3edirectory-path%29%29" class="RktValLink" data-pltdoc="x">path->directory-path</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"a"</span><span class="RktPn">)</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#<path:a/></span></p></td></tr><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._path-only%29%29" class="RktValLink" data-pltdoc="x">path-only</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">'</span><span class="RktVal">up</span><span class="hspace"> </span><span class="RktVal">'</span><span class="RktVal">up</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr><tr><td><p><span class="RktRes">#<path:../..></span></p></td></tr></table></blockquote></div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._simple-form-path))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._simple-form-path%29%29" class="RktValDef RktValLink" data-pltdoc="x">simple-form-path</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span cl
|
||
|
|
ensures that the result is a complete path containing no up- or
|
||
|
|
same-directory indicators.</div></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._some-system-path-~3estring))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._some-system-path-~3estring%29%29" class="RktValDef RktValLink" data-pltdoc="x">some-system-path->string</a></span></span><span class="hspace"> </span><span class="RktVar">path</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktSym"><a href="strings.html#%28def._%28%28quote._~23~25kernel%29._string~3f%29%29" class="RktValLink" data-pltdoc="x">string?</a></span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">path</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span></td></tr></table></blockquote></div><div class="SIntrapara">Converts <span class="RktVar">path</span> to a string using a UTF-8 encoding of the
|
||
|
|
path’s bytes.</div></p><p>Use this function when working with paths for a different system
|
||
|
|
(whose encoding of pathnames might be unrelated to the current
|
||
|
|
locale’s encoding) and when starting and ending with strings.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._string-~3esome-system-path))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._string-~3esome-system-path%29%29" class="RktValDef RktValLink" data-pltdoc="x">string->some-system-path</a></span></span><span class="hspace"> </span><span class="RktVar">str</span><span class="hspace"> </span><span class="RktVar">kind</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path-for-some-system~3f%29%29" class="RktValLink" data-pltdoc="x">path-for-some-system?</a></span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">str</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym"><a href="strings.html#%28def._%28%28quote._~23~25kernel%29._string~3f%29%29" class="RktValLink" data-pltdoc="x">string?</a></span></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">kind</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktVal">'</span><span class="RktVal">unix</span><span class="hspace"> </span><span class="RktVal">'</span><span class="RktVal">windows</span><span class="RktPn">)</span></td></tr></table></blockquote></div><div class="SIntrapara">Converts <span class="RktVar">str</span> to a <span class="RktVar">kind</span> path using a UTF-8 encoding
|
||
|
|
of the path’s bytes.</div></p><p>Use this function when working with paths for a different system
|
||
|
|
(whose encoding of pathnames might be unrelated to the current
|
||
|
|
locale’s encoding) and when starting and ending with strings.</p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._racket/path..rkt)._shrink-path-wrt))"></a><span title="Provided from: racket/path, racket | Package: base"><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._shrink-path-wrt%29%29" class="RktValDef RktValLink" data-pltdoc="x">shrink-path-wrt</a></span></span><span class="hspace"> </span><span class="RktVar">pth</span><span class="hspace"> </span><span class="RktVar">other-pths</span><span class="RktPn">)</span><span class="hspace"> </span>→<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._or%2Fc%29%29" class="RktValLink" data-pltdoc="x">or/c</a></span><span class="hspace"> </span><span class="RktVal">#f</span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path~3f%29%29" class="RktValLink" data-pltdoc="x">path?</a></span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">pth</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path~3f%29%29" class="RktValLink" data-pltdoc="x">path?</a></span></td></tr><tr><td><span class="hspace"> </span><span class="RktVar">other-pths</span><span class="hspace"> </span>:<span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="data-structure-contracts.html#%28def._%28%28lib._racket%2Fcontract%2Fbase..rkt%29._listof%29%29" class="RktValLink" data-pltdoc="x">listof</a></span><span class="hspace"> </span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._path~3f%29%29" class="RktValLink" data-pltdoc="x">path?</a></span><span class="RktPn">)</span></td></tr></table></blockquote></div><div class="SIntrapara">Returns a suffix of <span class="RktVar">pth</span> that shares nothing
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in common with the suffixes of <span class="RktVar">other-pths</span>, or
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<span class="RktVar">pth</span>, if not possible (e.g. when <span class="RktVar">other-pths</span>
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is empty or contains only paths with the same elements as <span class="RktVar">pth</span>).</div></p><p><div class="SIntrapara">Examples:</div><div class="SIntrapara"><blockquote class="SCodeFlow"><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._shrink-path-wrt%29%29" class="RktValLink" data-pltdoc="x">shrink-path-wrt</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"racket"</span><span class="hspace"> </span><span class="RktVal">"list.rkt"</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="pairs.html#%28def._%28%28quote._~23~25kernel%29._list%29%29" class="RktValLink" data-pltdoc="x">list</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"racket"</span><span class="hspace"> </span><span class="RktVal">"list.rkt"</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"racket"</span><span class="hspace"> </span><span class="RktVal">"base.rkt"</span><span class="RktPn">)</span><span class="RktPn">)</span><span class="RktPn">)</span></td></tr></table></td></tr><tr><td><p><span class="RktRes">#<path:list.rkt></span></p></td></tr><tr><td><table cellspacing="0" cellpadding="0" class="RktBlk"><tr><td><span class="stt">> </span><span class="RktPn">(</span><span class="RktSym"><a href="More_Path_Utilities.html#%28def._%28%28lib._racket%2Fpath..rkt%29._shrink-path-wrt%29%29" class="RktValLink" data-pltdoc="x">shrink-path-wrt</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"racket"</span><span class="hspace"> </span><span class="RktVal">"list.rkt"</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="pairs.html#%28def._%28%28quote._~23~25kernel%29._list%29%29" class="RktValLink" data-pltdoc="x">list</a></span><span class="hspace"> </span><span class="RktPn">(</span><span class="RktSym"><a href="Manipulating_Paths.html#%28def._%28%28quote._~23~25kernel%29._build-path%29%29" class="RktValLink" data-pltdoc="x">build-path</a></span><span class="hspace"> </span><span class="RktVal">"racket"</span><span class="hspace"> </span><span class="RktVal">"list.rkt"</span><span class="RktPn">)</span></td></tr><tr><td><span class="hspace"> </span><span class="hspace"> &nbs
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