mosigra wiki

# Union (Объединение)
$A + $B | Select-Object -Uniq
Compare-Object $A $B -PassThru -IncludeEqual

# Intersection (Пересечение)
$A | ?{$B -contains $_}
Compare-Object $A $B -PassThru -IncludeEqual -ExcludeDifferent

# Difference (Разность)
Compare-Object $A $B | Where-Object SideIndicator -eq '<=' | Select-Object -ExpandProperty InputObject

# Symmetric Difference (Симметрическая разность)
Compare-Object $A $B -PassThru''