ubuntuask.com
-
3 min readTo display and export PostgreSQL output in PowerShell, you can use the psql command-line tool that comes with PostgreSQL installation. You can run psql commands directly from PowerShell by using the psql command followed by the required PostgreSQL query. To export the output to a file, you can use the -o flag followed by the file path where you want to export the output.
-
5 min readIn PowerShell, you can extract field content using piping and Select-Object cmdlet. For example, if you have a list of objects and you want to extract a specific field from each object, you can use the following command: Get-Process | Select-Object Name This command will retrieve the Name field from each object in the list of processes.
-
5 min readIn PowerShell, you can pass arguments to functions by simply providing the values when calling the function. When defining a function, you can specify parameters within parentheses to receive the arguments passed to it. These parameters can have default values or be mandatory, depending on your requirements. When calling the function, you can provide arguments in the order they are defined or use parameter names to specify which argument corresponds to which parameter.
-
5 min readTo pass arguments from Jenkins to a PowerShell script, you can use the "Invoke-Build" step in Jenkins Pipeline or add a parameterized build in Jenkins job configuration. If you're using Pipeline, you can use the "params" object to pass arguments to the PowerShell script. For parameterized jobs, you can add a "String Parameter" or "Choice Parameter" in the job configuration, and then use those parameters in your PowerShell script.
-
4 min readTo install selenium powershell extensions, you will first need to download the Selenium PowerShell module from the PowerShell Gallery.
-
6 min readTo run all unit test cases in a Powershell script, you can use the Pester testing framework. Pester is a popular testing framework for Powershell scripts that allows you to write and run unit tests.To run all unit test cases using Pester in a Powershell script, you first need to create test scripts that contain your unit tests. These test scripts should follow the naming convention "*Tests.ps1" and contain test cases written using Pester syntax.
-
5 min readTo add a new property to a PowerShell object, you can use the following syntax: $myObject = [PSCustomObject]@{ ExistingProperty1 = "Value1" ExistingProperty2 = "Value2" } $myObject | Add-Member -MemberType NoteProperty -Name NewProperty -Value "NewValue" In this example, the $myObject object is created with two existing properties. The Add-Member cmdlet is then used to add a new property named NewProperty with the value of NewValue to the object.
-
3 min readTo expand file content with PowerShell, you can use the Add-Content cmdlet.First, you need to read the content of the file by using the Get-Content cmdlet and store it in a variable. Then, you can use the Add-Content cmdlet to append or insert additional content to the file.For example, if you want to add the text "Hello World" to a file named "example.txt", you can use the following commands:$content = Get-Content -Path .\example.txt Add-Content -Path .\example.
-
5 min readTo load a file in an Azure Function using PowerShell, you can use the built-in functionalities provided by Azure Functions. You can start by creating a new Azure Function with a PowerShell trigger. Once you have your function set up, you can use the Get-AzStorageBlobContent cmdlet to download the file from Azure Storage to your Azure Function.First, make sure you have the Azure PowerShell module installed and configured.
-
4 min readTo set an XML value to an escape character in PowerShell, you can use the [System.Xml.XmlNode]::InnerText property to assign the value with the escape character. For example, to set the value of an XML element to a newline character \n, you can do the following: $xml = New-Object System.Xml.XmlDocument $xml.LoadXml("<root></root>") $element = $xml.CreateElement("element") $element.InnerText = "`n" # using the newline escape character $xml.DocumentElement.
-
3 min readTo remove the first few words from a text file using PowerShell, you can use the following command: (Get-Content "path\to\file.txt" | Select-Object -Skip 1) | Set-Content "path\to\outputfile.txt" This command reads the content of the specified text file, skips the first line (which contains the first few words), and then writes the remaining content to a new output file. Replace "path\to\file.txt" with the path to the original file and "path\to\outputfile.