PowerShell is a command-line shell and scripting language developed by Microsoft for Windows, designed to provide a powerful and flexible interface for managing Windows systems and automating administrative tasks.
Essentials - Access documentation, log data, handle errors in PowerShell
Get-Command -Noun Process*
$PSDefaultParameterValues['Out-File:Encoding'] = 'utf8'
$PSDefaultParameterValues['Set-Content:Encoding'] = 'utf8'
$CONFIG = [PSCustomObject]@{
LogFile = "C:\scripts\DataExport.log"
MaxLogLines = 1000
}Handle data - Handle, Import, Export, Filter and RegEx query objects in PowerShell
Export-Csv -Delimiter "," -NoTypeInformation -Path "spreadsheet.csv"
Export-Clixml -Path "lossless.xml"
Read-Host -AsSecureString | ConvertFrom-SecureString > "encrypted.txt"
[RegEx]::Match((Get-Date), '(\d+):(?<name>\d+)') | foreach { [PSCustomObject]@{
FirstCaptureGroup = $_.Groups[1].value
NamedCaptureGroup = $_.Groups["name"].value
}}File system operations - Use paths, get meta data, link, download, and encrypt files and folders
$ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath("fake.txt")
New-WinSCPSession -SessionOption $sessionOptions
$item.Attributes = $item.Attributes -bxor [IO.FileAttributes]::Hidden }
[Environment]::SetEnvironmentVariable('PATH', "$env:Path$folder;", 'User')Known folders - Access the recycle bin, desktop, downloads folder
[Environment]::GetFolderPath("MyPictures")
$env:Downloads = (New-Object -ComObject Shell.Application).NameSpace('shell:::{374DE290-123F-4565-9164-39C4925E467B}').Self.PathOther topics
- Learn and Troubleshoot Powershell - Discover commands, and access documentation
- Programm PowerShell - Learn PowerShell’s programming paradigms
- Naming Convention - Name PowerShell functions with one of the predefined verbs
- Manage schedules tasks
- Command Prompt Comparison - PowerShell vs CMD
- Bash Equivalents - Replace code from Linux Bash with PowerShell equivalents
- Bash Comparison - Powershell Core vs Bash
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