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authorchai <chaifix@163.com>2021-10-30 11:32:16 +0800
committerchai <chaifix@163.com>2021-10-30 11:32:16 +0800
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parent164885fd98d48703bd771f802d79557b7db97431 (diff)
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+<ul class="nowrap">
+ <li><a href="../examples/seesubst.lua.html">seesubst.lua</a></li>
+ <li><a href="../examples/sipscan.lua.html">sipscan.lua</a></li>
+ <li><a href="../examples/symbols.lua.html">symbols.lua</a></li>
+ <li><a href="../examples/test-cmp.lua.html">test-cmp.lua</a></li>
+ <li><a href="../examples/test-data.lua.html">test-data.lua</a></li>
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+ <li><a href="../examples/test-pretty.lua.html">test-pretty.lua</a></li>
+ <li><a href="../examples/test-symbols.lua.html">test-symbols.lua</a></li>
+ <li><strong>testclone.lua</strong></li>
+ <li><a href="../examples/testconfig.lua.html">testconfig.lua</a></li>
+ <li><a href="../examples/testglobal.lua.html">testglobal.lua</a></li>
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+</div>
+
+<div id="content">
+
+ <h2>testclone.lua</h2>
+<pre>
+<span class="comment">--cloning a directory tree.
+</span><span class="keyword">local</span> lfs = <span class="global">require</span> <span class="string">'lfs'</span>
+<span class="keyword">local</span> path = <span class="global">require</span> <span class="string">'pl.path'</span>
+<span class="keyword">local</span> dir = <span class="global">require</span> <span class="string">'pl.dir'</span>
+
+<span class="keyword">local</span> p1 = <span class="string">[[examples]]</span>
+<span class="keyword">local</span> p2 = <span class="string">[[copy/of/examples]]</span>
+
+<span class="keyword">if</span> <span class="keyword">not</span> path.isfile <span class="string">'examples/testclone.lua'</span> <span class="keyword">then</span>
+ <span class="keyword">return</span> <span class="global">print</span> <span class="string">'please run this in the penlight folder (below examples)'</span>
+<span class="keyword">end</span>
+
+<span class="comment">-- make a copy of the examples folder
+</span>dir.clonetree(p1,p2,dir.copyfile)
+
+<span class="global">assert</span>(path.isdir <span class="string">'copy'</span>)
+
+<span class="global">print</span> <span class="string">'---'</span>
+<span class="keyword">local</span> t = <span class="global">os</span>.time()
+<span class="global">print</span>(lfs.touch(<span class="string">'examples/testclone.lua'</span>,t,t+<span class="number">10</span>))
+
+<span class="comment">-- this should only update this file
+</span>dir.clonetree(p1,p2,
+<span class="keyword">function</span>(f1,f2)
+ <span class="keyword">local</span> t1 = path.getmtime(f1)
+ <span class="keyword">local</span> t2 = path.getmtime(f2)
+ <span class="comment">--print(f1,t1,f2,t2)
+</span> <span class="keyword">if</span> t1 &gt; t2 <span class="keyword">then</span>
+ dir.copyfile(f1,f2)
+ <span class="global">print</span>(f1,f2,t1,t2)
+ <span class="keyword">end</span>
+ <span class="keyword">return</span> <span class="keyword">true</span>
+<span class="keyword">end</span>)
+
+<span class="comment">-- and get rid of the whole copy directory, with subdirs
+</span>dir.rmtree <span class="string">'copy'</span>
+
+<span class="global">assert</span>(<span class="keyword">not</span> path.exists <span class="string">'copy'</span>)</pre>
+
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