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<div class="section" id="module-glob">
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<span id="glob-unix-style-pathname-pattern-expansion"></span><h1><a class="reference internal" href="#module-glob" title="glob: Unix shell style pathname pattern expansion."><code class="xref py py-mod docutils literal notranslate"><span class="pre">glob</span></code></a> — Unix style pathname pattern expansion<a class="headerlink" href="#module-glob" title="Permalink to this headline">¶</a></h1>
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<p><strong>Source code:</strong> <a class="reference external" href="https://github.com/python/cpython/tree/3.7/Lib/glob.py">Lib/glob.py</a></p>
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<hr class="docutils" id="index-0" />
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<p id="index-1">The <a class="reference internal" href="#module-glob" title="glob: Unix shell style pathname pattern expansion."><code class="xref py py-mod docutils literal notranslate"><span class="pre">glob</span></code></a> module finds all the pathnames matching a specified pattern
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according to the rules used by the Unix shell, although results are returned in
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arbitrary order. No tilde expansion is done, but <code class="docutils literal notranslate"><span class="pre">*</span></code>, <code class="docutils literal notranslate"><span class="pre">?</span></code>, and character
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ranges expressed with <code class="docutils literal notranslate"><span class="pre">[]</span></code> will be correctly matched. This is done by using
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the <a class="reference internal" href="os.html#os.scandir" title="os.scandir"><code class="xref py py-func docutils literal notranslate"><span class="pre">os.scandir()</span></code></a> and <a class="reference internal" href="fnmatch.html#fnmatch.fnmatch" title="fnmatch.fnmatch"><code class="xref py py-func docutils literal notranslate"><span class="pre">fnmatch.fnmatch()</span></code></a> functions in concert, and
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not by actually invoking a subshell. Note that unlike <a class="reference internal" href="fnmatch.html#fnmatch.fnmatch" title="fnmatch.fnmatch"><code class="xref py py-func docutils literal notranslate"><span class="pre">fnmatch.fnmatch()</span></code></a>,
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<a class="reference internal" href="#module-glob" title="glob: Unix shell style pathname pattern expansion."><code class="xref py py-mod docutils literal notranslate"><span class="pre">glob</span></code></a> treats filenames beginning with a dot (<code class="docutils literal notranslate"><span class="pre">.</span></code>) as special cases.
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(For tilde and shell variable expansion, use <a class="reference internal" href="os.path.html#os.path.expanduser" title="os.path.expanduser"><code class="xref py py-func docutils literal notranslate"><span class="pre">os.path.expanduser()</span></code></a> and
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<a class="reference internal" href="os.path.html#os.path.expandvars" title="os.path.expandvars"><code class="xref py py-func docutils literal notranslate"><span class="pre">os.path.expandvars()</span></code></a>.)</p>
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<p>For a literal match, wrap the meta-characters in brackets.
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For example, <code class="docutils literal notranslate"><span class="pre">'[?]'</span></code> matches the character <code class="docutils literal notranslate"><span class="pre">'?'</span></code>.</p>
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<div class="admonition seealso">
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<p class="admonition-title">See also</p>
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<p>The <a class="reference internal" href="pathlib.html#module-pathlib" title="pathlib: Object-oriented filesystem paths"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pathlib</span></code></a> module offers high-level path objects.</p>
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</div>
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<dl class="function">
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<dt id="glob.glob">
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<code class="descclassname">glob.</code><code class="descname">glob</code><span class="sig-paren">(</span><em>pathname</em>, <em>*</em>, <em>recursive=False</em><span class="sig-paren">)</span><a class="headerlink" href="#glob.glob" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return a possibly-empty list of path names that match <em>pathname</em>, which must be
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a string containing a path specification. <em>pathname</em> can be either absolute
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(like <code class="file docutils literal notranslate"><span class="pre">/usr/src/Python-1.5/Makefile</span></code>) or relative (like
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<code class="file docutils literal notranslate"><span class="pre">../../Tools/*/*.gif</span></code>), and can contain shell-style wildcards. Broken
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symlinks are included in the results (as in the shell).</p>
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<p id="index-2">If <em>recursive</em> is true, the pattern “<code class="docutils literal notranslate"><span class="pre">**</span></code>” will match any files and zero or
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more directories and subdirectories. If the pattern is followed by an
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<code class="docutils literal notranslate"><span class="pre">os.sep</span></code>, only directories and subdirectories match.</p>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p>Using the “<code class="docutils literal notranslate"><span class="pre">**</span></code>” pattern in large directory trees may consume
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an inordinate amount of time.</p>
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</div>
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<div class="versionchanged">
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<p><span class="versionmodified changed">Changed in version 3.5: </span>Support for recursive globs using “<code class="docutils literal notranslate"><span class="pre">**</span></code>”.</p>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="glob.iglob">
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<code class="descclassname">glob.</code><code class="descname">iglob</code><span class="sig-paren">(</span><em>pathname</em>, <em>*</em>, <em>recursive=False</em><span class="sig-paren">)</span><a class="headerlink" href="#glob.iglob" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return an <a class="reference internal" href="../glossary.html#term-iterator"><span class="xref std std-term">iterator</span></a> which yields the same values as <a class="reference internal" href="#module-glob" title="glob: Unix shell style pathname pattern expansion."><code class="xref py py-func docutils literal notranslate"><span class="pre">glob()</span></code></a>
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without actually storing them all simultaneously.</p>
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</dd></dl>
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<dl class="function">
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<dt id="glob.escape">
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<code class="descclassname">glob.</code><code class="descname">escape</code><span class="sig-paren">(</span><em>pathname</em><span class="sig-paren">)</span><a class="headerlink" href="#glob.escape" title="Permalink to this definition">¶</a></dt>
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<dd><p>Escape all special characters (<code class="docutils literal notranslate"><span class="pre">'?'</span></code>, <code class="docutils literal notranslate"><span class="pre">'*'</span></code> and <code class="docutils literal notranslate"><span class="pre">'['</span></code>).
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This is useful if you want to match an arbitrary literal string that may
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have special characters in it. Special characters in drive/UNC
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sharepoints are not escaped, e.g. on Windows
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<code class="docutils literal notranslate"><span class="pre">escape('//?/c:/Quo</span> <span class="pre">vadis?.txt')</span></code> returns <code class="docutils literal notranslate"><span class="pre">'//?/c:/Quo</span> <span class="pre">vadis[?].txt'</span></code>.</p>
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<div class="versionadded">
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<p><span class="versionmodified added">New in version 3.4.</span></p>
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</div>
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</dd></dl>
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<p>For example, consider a directory containing the following files:
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<code class="file docutils literal notranslate"><span class="pre">1.gif</span></code>, <code class="file docutils literal notranslate"><span class="pre">2.txt</span></code>, <code class="file docutils literal notranslate"><span class="pre">card.gif</span></code> and a subdirectory <code class="file docutils literal notranslate"><span class="pre">sub</span></code>
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which contains only the file <code class="file docutils literal notranslate"><span class="pre">3.txt</span></code>. <a class="reference internal" href="#module-glob" title="glob: Unix shell style pathname pattern expansion."><code class="xref py py-func docutils literal notranslate"><span class="pre">glob()</span></code></a> will produce
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the following results. Notice how any leading components of the path are
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preserved.</p>
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<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">glob</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'./[0-9].*'</span><span class="p">)</span>
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<span class="go">['./1.gif', './2.txt']</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'*.gif'</span><span class="p">)</span>
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<span class="go">['1.gif', 'card.gif']</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'?.gif'</span><span class="p">)</span>
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<span class="go">['1.gif']</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'**/*.txt'</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="go">['2.txt', 'sub/3.txt']</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'./**/'</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="go">['./', './sub/']</span>
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</pre></div>
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</div>
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<p>If the directory contains files starting with <code class="docutils literal notranslate"><span class="pre">.</span></code> they won’t be matched by
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default. For example, consider a directory containing <code class="file docutils literal notranslate"><span class="pre">card.gif</span></code> and
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<code class="file docutils literal notranslate"><span class="pre">.card.gif</span></code>:</p>
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<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span> <span class="nn">glob</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'*.gif'</span><span class="p">)</span>
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<span class="go">['card.gif']</span>
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<span class="gp">>>> </span><span class="n">glob</span><span class="o">.</span><span class="n">glob</span><span class="p">(</span><span class="s1">'.c*'</span><span class="p">)</span>
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<span class="go">['.card.gif']</span>
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</pre></div>
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</div>
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<div class="admonition seealso">
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<p class="admonition-title">See also</p>
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<dl class="simple">
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<dt>Module <a class="reference internal" href="fnmatch.html#module-fnmatch" title="fnmatch: Unix shell style filename pattern matching."><code class="xref py py-mod docutils literal notranslate"><span class="pre">fnmatch</span></code></a></dt><dd><p>Shell-style filename (not path) expansion</p>
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</body>
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</html> |