Wouldn't it be great if you could get this information at the command line? Click here for a 20 second video<\/a> that shows the code to do it.<\/p>\n This approach will only work in Windows PowerShell 5.0, because it uses the new ConvertFrom-String<\/b> function to convert the parsed HTML text into objects.<\/p>\n It's a simple approach. First, use Invoke-WebRequest<\/b> to get the HTML back from the web page. Then, AllElements<\/b> returns a list of objects that you pipe to Where<\/b> and do a match on versionTableRow<\/b>. You grab the InnerText<\/b> property and pipe all of this to ConvertFrom-String<\/b> using the contents of $t<\/b> as the template to convert the text to objects with the property names Name<\/b>, Version<\/b>, Downloads<\/b>, and PublishDate<\/b>.<\/p>\n function Get-PSGalleryInfo {<\/p>\n param(<\/p>\n [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] <\/p>\n $Name<\/p>\n )<\/p>\n Begin {<\/p>\n $t = @"<\/p>\n {Name*:PowerShellISE-preview} {[version]Version:5.1.0.1} (this version) {[double]Downloads:885} {[DateTime]PublishDate:Wednesday, January 27 2016}<\/p>\n {Name*:ImportExcel} 1.97 {Downloads:106} Monday, January 18 2016<\/p>\n "@<\/p>\n }<\/p>\n <\/p>\n Process {<\/p>\n $url ="https:\/\/www.powershellgallery.com\/packages\/$Name\/"<\/p>\n <\/p>\n $r=Invoke-WebRequest $url<\/p>\n ($r.AllElements | Where {$_.class -match 'versionTableRow'}).innerText |<\/p>\n ConvertFrom-String -TemplateContent $t<\/p>\n }<\/p>\n }<\/p>\n Launch your browser and navigate to the ImportExcel 1.98 module<\/a>. You should be able to right-click the page and find an option called View page source<\/b>. When you click it, you'll get another tab in your browser, which shows you the underlying HTML. Scroll down (or use Search<\/b>) for text that looks familiar in the rendered page.<\/p>\n Here you can see an HTML class attribute that contains versionTableRow<\/b>. For other pages you want to scrape, you need to examine the HTML to figure out what uniquely identifies what you want to extract. Sometimes it's as easy as this:<\/p>\n Next, you can see the text returned with this PowerShell snippet:<\/p>\n $r.AllElements | Where {$_.class -match 'versionTableRow'}).innerText<\/p>\n Use that to create the TemplateContent<\/b> for ConvertFrom-String<\/b>, which transforms the text to objects.<\/p>\n For a great write up on how to work with ConvertFrom-String<\/b>, check out this post on the Windows PowerShell blog: ConvertFrom-String: Example-based text parsing<\/a>.<\/p>\n ~Doug<\/p>\n Thank you, Doug, for that way cool post. Join me tomorrow for more cool Windows PowerShell stuff.<\/p>\n I invite you to follow me on Twitter<\/a> and Facebook<\/a>. If you have any questions, send email to me at scripter@microsoft.com<\/a>, or post your questions on the Official Scripting Guys Forum<\/a>. Also check out my Microsoft Operations Management Suite Blog<\/a>. See you tomorrow. Until then, peace.<\/p>\n Ed Wilson, Microsoft Scripting Guy<\/b> <\/p>\n","protected":false},"excerpt":{"rendered":" Summary: Learn how to use Windows PowerShell 5.0 to scrape a web page so that you can easily return parsable objects. Good morning. Ed Wilson here, and today I have a guest blog post by Doug Finke… When surfing the PowerShell Gallery, you'll find that each module has a web page with a version history, […]<\/p>\n","protected":false},"author":596,"featured_media":87096,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[78,56,600,3,167,45],"class_list":["post-76403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scripting","tag-doug-finke","tag-guest-blogger","tag-powershell-5-0","tag-scripting-guy","tag-using-the-internet","tag-windows-powershell"],"acf":[],"blog_post_summary":" Summary: Learn how to use Windows PowerShell 5.0 to scrape a web page so that you can easily return parsable objects. Good morning. Ed Wilson here, and today I have a guest blog post by Doug Finke… When surfing the PowerShell Gallery, you'll find that each module has a web page with a version history, […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/76403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/users\/596"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/comments?post=76403"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/76403\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media\/87096"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media?parent=76403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/categories?post=76403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/tags?post=76403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Image](\"https:\/\/devblogs.microsoft.com\/wp-content\/uploads\/sites\/29\/2019\/02\/0246.p1.png\" "\\"Image")
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<\/a><\/p>\nHow to do web scrapping<\/h2>\n
How to figure out the content of class<\/h2>\n
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