powershell_tips.md

PowerShell Tips

# Get help with opened window
Get-Help somecommand -ShowWindow
# or simply
help somecommand -s

# Alias
# There is a alias in powershell
# For example cd = Set-Location; cat = Get-Content
# The Get-Alias itself has `gal` alias
Get-Alias cd
# CommandType     Name                                               Version    Source
# -----------     ----                                               -------    ------
# Alias           cd -> Set-Location                                            

# Get latest file
Get-ChildItem | Sort-Object LastAccessTime | Select-Object -First 1

# Check file hash
$fileToCheck = "somefile.txt"
(Get-FileHash -Algorithm MD5 $fileToCheck | Select-Object -ExpandProperty Hash) -ilike (Get-Content "$fileToCheck.md5")