PowerShell: Join Array, Append
🛑 WARNING: Array type is optimized for not changing size. It has to recreate the array and is slow. The more items in a array, the slower it is to change size.
Append an Item
Use operator += to add a item to end of array.
$x = 1, 2, 3 # add a item "b" to the end $x += "b" $x
Join Arrays
use + operator.
$a = 1,2 $b = 3,4,5 $a+$b
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