Powershell Command To Get File Properties

1. Powershell File Properties Details

. Post authorHey Mike,While I'm not about to try it, yes, I believe you can get the same effect by modifying the formatting file. For Windows PowerShell 5.1 that's 'C:WindowsSystem32WindowsPowerShellv1.0PowerShellCore.format.ps1xml.' Personally, however, I've never modified one of these files, as it's never been required for anything I wanted, or needed, to complete. Writing a function, which takes precedence over a cmdlet of the same name, was always the easiest and cleanest for me!Thank you for the comment,Tommy.I understand your reluctance to modify one of these files. I don't use this method very often, either.A couple of helpful tips along that path:1. In 5.1 (5.0?) the files in $pshome are there for reference only and aren't directly used.

So modifying them won't have any effect.2. Instead of modifying them, you can 'prepend' a new one to the formatting pipeline so that it takes precedence over the existing one.I've copied the table entry from the existing format file into a here-string and added the extra column.$fmtxml = @'HistoryWithElapsedTimeMicrosoft.PowerShell.Commands.HistoryInfo4RightTimeTakenIdCommandLine$.EndExecutionTime - $.StartExecutionTime'@ out-file c:temphistoryExt.format.ps1xmlupdate-formatdata -PrependPath C:temphistoryExt.format.ps1xml.

$WebClient.DownloadFile ( ', 'C:pathfile' )As of PowerShell 3, we have the Invoke-WebRequest cmdlet, which is more convenient to work with. It is PowerShell’s counterpart to GNU wget, a popular tool in the Linux world, which is probably the reason Microsoft decided to use its name as an alias for Invoke-WebRequest. This is perhaps an understatement; Invoke-WebRequest is more powerful than wget because it allows you to not only download files but also parse them. But this is a topic for another post.Download with Invoke-WebRequestTo simply download a file through HTTP, you can use this command. Wget '-outfile 'file'If you omit the local path to the folder, Invoke-WebRequest will just use your current folder. The -Outfile parameter is always required if you want to save the file.

The reason is that, by default, Invoke-WebRequest sends the downloaded file to the pipeline.However, the pipeline will then not just contain the contents of the file. Instead, you will find an object with a variety of properties and methods that allow you to analyze text files. If you send a binary file through the pipeline, PowerShell will treat it as a text file and you won’t be able to use the data in the file.To only read the contents of the text file, we need to read the Content property of the object in the pipeline. Invoke-WebRequest -Uri https: / /www.contoso.com / -OutFile C: 'pathfile' -Credential 'yourUserName'Note that, if you omit the -Credential parameter, PowerShell will not prompt you for a user name and password and will throw this error:Invoke-WebRequest: Authorization RequiredYou have to at least pass the user name with the -Credential parameter. PowerShell will then ask for the password.

If you want to avoid a dialog window in your script, you can store the credentials in a PSCredential object. Invoke-WebRequest -Uri '-OutFile 'C:pathfile' -Credential $CredentialsYou can use the -UseDefaultCredentials parameter instead of the -Credential parameter if you want to use the credentials of the current user.

To add a little extra security, you might want to. Make sure to always use HTTPS instead of HTTP if you have to authenticate on a remote server. If the web server uses basic authentication, your password will be transmitted in clear text if you download via HTTP.Note that this method only works if the web server manages authentication. Nowadays, most websites use the features of a content management system (CMS) to authenticate users. Usually, you then have to fill out an HTML form.

I will explain in one of my next posts how you can do this with Invoke-WebRequest.Downloading files through FTP works analogous to HTTP. You also shouldn’t use this protocol if security matters. To download multiple files securely, you had better work with SFTP or SCP. Invoke-WebRequest doesn’t support these protocols. However, third-party PowerShell modules exist that step into the breach.In my next post I will show you can use Invoke-WebRequest to parse HTML pages and scrape content from websites.

Hi Michael,Thanks for that posting.I'm having difficulty invoking a download from sites that have restricted TLS versions due to recent vulnerabilities in SSLsee for an example.Any idea how force a particular TLS version for a download? As it is you can see a handshake failure in a packet trace and get the following error in powershell itself+ CategoryInfo: InvalidOperation: (:) Start-BitsTransfer, Exception+ FullyQualifiedErrorId: StartBitsTransferCOMException,Microsoft.BackgroundIntelligentTransfer.Management.NewBitsTransferCommandAny help appreciatedEd. Invoke-WebRequest works fine with TLS. I used the cmdlet on sites where SSL is disabled without problems.

So I think you have another problem. The issue could be related to the cipher suite. Try to reach this website over HTTPS with Internet Explorer and see if that works. If not, the webmaster of this website removed important cipher suites.To force Invoke-WebRequest to use TLS (or a specific TLS version), you can use this command:System.Net.ServicePointManager::SecurityProtocol = System.Net.SecurityProtocolType'Tls,Tls11,Tls12'. I am hoping to get some clarification on the download process.

I have a distributor license for Adobe, and want to distribute Flash Player to my company's new PC's via a powershell command. I have it set up to do the rest of the files I need and they all work, including other Adobe files. But when I try to use WebClient.Download I get the proper named output file, in the proper place, but instead of it being an install file of Adobe Flash Player, it is a 100KB file that errors out when opening. I have also tried BITS Transfer and go the exact same results.

The URL is correct and when I paste it into the address bar and hit enter it immediately starts a download of the real file, and it works to install. But not via powershell. Can anyone offer advice? HiHaving some issues similar to above here basically can manually download the file no problem.However trying to write a basic script to do this (p.S I'm new to this and self teaching) any help would be gratefully appreciated.so my script so far is using the get credential part above and I get the pop up box with the username field filled in however i have to manually type in password.it's mentioned above about using PSCredential object how do you add that in? I've tried following the example above and testing but cannot get it to work.thanks. Hi,Thanks for the reply. This is my script so far:$WebClient = New-Object System.Net.Webclient$Credentials = New-Object System.Management.Automation.PSCredential $Username, $Password,Invoke-WebRequest -Uri '-OutFile -PassThru 'C:DownloadsFile=1' -Credential $CredentialsI've tried this line by line in powershell locally with no errors coming back,My next issue is to increment the downloaded file so for example J48File1 would become J49File1 (where J is the Year and the 48 is the week) this is to be downloaded weekly.Is this possible?Thanks in advance.

Powershell File Properties Details

Thanks again for your help, I had put the $Webclient in as I read from a blog it was better to pop it in.I've carried it out as you mentioned above so now looks like:-Copy-Item -Path 'C:Downloads.csv -Destination 'E:DownloadsTest'Remove-item -Path 'C:Downloads.-include.csv'Copy line now working fine no errors in power shell, but i now get a+Remove-item -Path 'C:Downloads.-include.csv. I have a server that refuses to complete an HTTP download. The filename is created and ISE shows bytes coming down, but, when it times out, the file has 0 bytes. This script works on several other systems but the one it needs to work on. (Windows server 2012 R2).

This is the script:Invoke-WebRequest '-OutFile 'D:SourceDataDownloadsEIAWeeklyPetroleumStatusReportRawDataTable01.xls'The file can be manually downloaded and opened in Excel thru FireFox.Thanks.