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POConverting Get-ChildItem output to string[]
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  1. POConverting Get-ChildItem output to string[]
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    copied!<p>I have a script that accepts a list of paths to process as an array of strings. I'm using <code>Get-ChildItem</code> to generate those paths. I've come across some interesting behavior in the conversion from <code>System.IO.FileInfo</code> objects to strings.</p> <p>Example 1:</p> <pre><code>PS C:\Users\Nikhil\Documents&gt; [string[]](Get-ChildItem .\GitHub\) toc toc-gh-pages Publish gh-pages.txt </code></pre> <p>Example 2:</p> <pre><code>PS C:\Users\Nikhil\Documents&gt; [string[]](Get-ChildItem .\GitHub\*) C:\Users\Nikhil\Documents\GitHub\toc C:\Users\Nikhil\Documents\GitHub\toc-gh-pages C:\Users\Nikhil\Documents\GitHub\Publish gh-pages.txt </code></pre> <p>Example 3: (With -Recurse, so the conversion to strings is illogical and useless)</p> <pre><code>PS C:\Users\Nikhil\Documents\GitHub&gt; [string[]](Get-ChildItem .\toc-gh-pages -Recurse) assets css lib _layouts _site .gitattributes .gitignore index.html _config.yml jquery.toc.zip docs.less docs.min.css google-code-prettify jquery.toc lang-apollo.js ... </code></pre> <p>Example 4:</p> <pre><code>PS C:\Users\Nikhil\Documents\GitHub&gt; [string[]](Get-ChildItem .\toc-gh-pages\*.* -Recurse) C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\assets\jquery.toc.zip C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\css\docs.less C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\css\docs.min.css C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-apollo.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-basic.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-clj.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-css.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-dart.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-erlang.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-go.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-hs.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-lisp.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-llvm.js C:\Users\Nikhil\Documents\GitHub\toc-gh-pages\lib\google-code-prettify\lang-lua.js ... </code></pre> <p>The addition of a wildcard to the path causes the resulting strings to be full path names, instead of just file/folder names. Why does this happen?</p> <p>I understand <em>how</em> I can work around this behavior and get the info that I need; what I'm interested in is <em>why</em> this is happening, given that we're just converting <code>System.IO.FileInfo</code> and <code>System.IO.DirectoryInfo</code> objects to strings in all cases.</p>
 

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