good-practices powershell

Author: alan-null

good-practices/foreach-object.ps1

@@ -0,0 +1,9 @@
+# BAD
+@(1, 2, 3) | Foreach-Object {
+    # do stuff
+}
+
+# GOOD - 2x faster
+foreach ($i in @(1, 2, 3)) {
+    # do stuff
+}

good-practices/where-object.ps1

@@ -0,0 +1,11 @@
+# BAD
+$array = @(1, 2, 3, 1, 3, 4) | Where-Object { $_ -eq 1 }
+
+# GOOD - x17 faster
+$array = @(
+    foreach ($i in @(1, 2, 3, 1, 3, 4)) {
+        if ($i -eq 1) {
+            $i
+        }
+    }
+)