diff --git a/powershell/cdarg.ps1 b/powershell/cdarg.ps1
new file mode 100644
index 0000000..40b3543
--- /dev/null
+++ b/powershell/cdarg.ps1
@@ -0,0 +1,23 @@
+#!/usr/local/bin/pwsh
+
+<# REF: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_switch?view=powershell-7.3 #>
+
+$param1=$args[0]
+Write-Output $param1 
+
+# switch -Regex $(param1)
+# 'bincloud|binc' {}
+
+switch ($param1)
+{
+    1 {cd ~/bin/powershell }
+#    2 {cd "c:\users\$env:UserName" }
+#    3 {cd "c:\users\$env:UserName\Desktop\Docs-local\bin-cloud" }
+    shr {cd /Volumes/zhgstera6/shrcompr-zhgst6 }
+    notshr {cd /Volumes/zhgstera6/notshrcompr-zhgst6 }
+    dvd {cd /Volumes/zhgstera6/dvdrips-shr/MAKEMKV }
+    
+    Default { Write-Output "Fallthru, no match" }
+}
+
+Get-Location  # pwd
\ No newline at end of file
diff --git a/powershell/hashtable.ps1 b/powershell/hashtable.ps1
new file mode 100644
index 0000000..87fe9a9
--- /dev/null
+++ b/powershell/hashtable.ps1
@@ -0,0 +1,5 @@
+# Powershell
+# REF: https://adamtheautomator.com/powershell-hashtable/
+
+$name=@{}
+