159 lines
5.3 KiB
HTML
159 lines
5.3 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<link rel="stylesheet" href="blog.css" type="text/css" />
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<link rel="alternate" type="application/rss+xml" title="Subscribe to this page..." href="feed.rss" />
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<title>First look at powershell 6.1.0</title>
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</head><body>
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<div id="divbodyholder">
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<div class="headerholder"><div class="header">
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<div id="title">
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<h1 class="nomargin"><a class="ablack" href="http://zigford.org/index.html">zigford.org</a></h1>
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<div id="description"><a href="about.html">About</a><a href="links.html"> | Links</a><a href="scripts.html"> | Scripts</a><br>Sharing linux/windows scripts and tips</br></div>
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</div></div></div>
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<div id="divbody"><div class="content">
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<!-- entry begin -->
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<h3><a class="ablack" href="first-look-at-powershell-610.html">
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First look at powershell 6.1.0
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</a></h3>
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<!-- bashblog_timestamp: #201809150832.39# -->
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<div class="subtitle">September 15, 2018 —
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Jesse Harris
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</div>
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<!-- text begin -->
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<p>Powershell <a href="https://github.com/PowerShell/PowerShell/releases">6.1.0</a> dropped yesterday. Here is my quick look.</p>
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<h2>New Commands</h2>
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<p><code>Get-Command | Measure-Object</code> on each version:</p>
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<p>Version 6.0.4 had 316 commands, while 6.1.0 has 323 commands. Comparing a list
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of commands:</p>
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<p>On 6.0.4: <code>gcm | select -exp name > 6.0.4.txt</code> and the same on 6.1.0, then to
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compare:</p>
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<pre><code> compare-object (gc ./6.0.4.txt) (gc ./6.1.0.txt)
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InputObject SideIndicator
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----------- -------------
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ConvertFrom-Markdown =>
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Get-ExperimentalFeature =>
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Get-MarkdownOption =>
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Set-MarkdownOption =>
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Show-Markdown =>
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Start-ThreadJob =>
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Test-Connection =>
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Test-Json =>
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more <=
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</code></pre>
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<hr />
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<p>Firstly, yay for <code>Test-Connection</code>. I had to reimplement that one by parsing
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results from <code>ping</code> previously to make some of my windows modules work on PS
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core. Start-ThreadJob looks interesting and I can't wait to see what the
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Markdown cmdlets do.</p>
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<p>I'll look more at these new commands later, but while I was running
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Get-Command, I thought I'd see if there were any generic performance
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improvements in 6.1.0 release.</p>
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<p>On 6.0.4:</p>
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<pre><code> PS /home/harrisj> measure-command {gcm | select -exp name}
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Days : 0
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Hours : 0
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Minutes : 0
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Seconds : 0
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Milliseconds : 718
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Ticks : 7185832
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TotalDays : 8.31693518518518E-06
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TotalHours : 0.000199606444444444
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TotalMinutes : 0.0119763866666667
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TotalSeconds : 0.7185832
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TotalMilliseconds : 718.5832
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</code></pre>
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<p>On 6.1.0:</p>
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<pre><code> PS /home/harrisj> measure-command {get-command | select -exp name }
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Days : 0
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Hours : 0
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Minutes : 0
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Seconds : 0
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Milliseconds : 455
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Ticks : 4558407
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TotalDays : 5.27593402777778E-06
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TotalHours : 0.000126622416666667
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TotalMinutes : 0.007597345
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TotalSeconds : 0.4558407
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TotalMilliseconds : 455.8407
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</code></pre>
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<p>A modest speed boost. Definitely appreciated on the old RPI 2 that hosts this
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site.</p>
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<h3>Kicking the tires on new command</h3>
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<h2>Show-Markdown</h2>
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<p>I gave this a quick try and it colour highlighted and shows a preview of the
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markdown in the terminal window. It also had a -UseBrowser parameter which
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writes a tmp html and open's it in the browser. Pretty neat.</p>
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<h2>ConvertFrom-Markdown</h2>
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<p>What you'd expect, this converts a Markdown file to html to stdout or to a
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file if specified. Who knows, I might see if I can get this site to work using
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this implementation of Markdown. Currently I'm using the Markdown.pl from
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Gruber.</p>
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<h2>Get-ExperimentalFeature</h2>
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<p>Does nothing on the RPI and MacOS. Will have to spin this up on Windows and
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update this article</p>
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<h2>Test-Json</h2>
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<p>Just ran this over a json file I use in one of my projects:</p>
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<pre><code>Test-Json -Json (gc ./Template.json -raw)
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True
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</code></pre>
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<h2>Start-ThreadJob</h2>
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<p>This might take a bit more time to find the true value of it, but I quickly
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tried my simultaneous ping test with this and it spawned a number of PSJobs
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with a PSJobTypeName of ThreadJob.</p>
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<h3>Closing thouhghts</h3>
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<p>Thats it for now. I've heard this release focused alot on bringing Windows
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cmdlets back for Windows, so not-so-much in this one for the *nixes. Still
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an improvement either way</p>
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<p>Tags: <a href='tag_powershell.html'>powershell</a></p>
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<!-- text end -->
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<!-- entry end -->
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</div>
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<div id="footer">© <a href="http://twitter.com/zigford_org">Jesse Harris</a> — <a href="mailto:jesse@zigford.org">jesse@zigford.org</a><br/>
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Generated with <a href="https://github.com/cfenollosa/bashblog">bashblog</a>, a single bash script to easily create blogs like this one</div>
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