pwsh-help.md

Useful Powershell commands

• show .net assembly manifest

  • ([system.reflection.assembly]::loadfile("C:\code\Kno2\src\Inofile.Worker\bin\Debug\Microsoft.Extensions.Logging.Abstractions.dll")).FullName

• show environment variables

  • Get-ChildItem Env:

• show entries in PATH variable

  • `$env-path -split ";"

• list events of system restart from event log

  • get-eventlog -logname system -source user32 | select timegenerated, message
  • to organize by message add a sort clause at the end
  • get-eventlog -logname system -source user32 | select timegenerated, message | sort message
  • Reference:
    • https://devblogs.microsoft.com/scripting/use-powershell-to-parse-event-log-for-shutdown-events/

• show version of PowerShell

  • get-host

• find text in files in current folder, recursive

  • Get-ChildItem -Recurse | Select-String "dummy" -List | Select Path

Environment Variables

• Show vars (sort by name)
  • get-childitem -path env:* | sort-object name
• Add var
  • $Env:[varname] = "[varvalue]"
• Remove var
  • [Environment]::SetEnvironmentVariable("[varname]", $null, "Machine")

Config

• set oh-my-posh theme
  • run code $PROFILE in a powershell prompt
  • edit this line:
    • oh-my-posh init pwsh --config "$env:POSH_THEMES_PATH\multiverse-neon.omp.json" | Invoke-Expression
  • change .omp.json filename to switch to a new theme
  • select themes from: https://ohmyposh.dev/docs/themes
  • install desired font: https://ohmyposh.dev/docs/installation/fonts