From c311385d4317220b7ba5bda8b97038ed0813e4b0 Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus.fleschutz@gmail.com>
Date: Sun, 17 Sep 2023 11:31:10 +0200
Subject: [PATCH] Update set-volume.ps1

---
 Scripts/set-volume.ps1 | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/Scripts/set-volume.ps1 b/Scripts/set-volume.ps1
index d033c54b..135bf2fb 100755
--- a/Scripts/set-volume.ps1
+++ b/Scripts/set-volume.ps1
@@ -1,35 +1,33 @@
 <#
 .SYNOPSIS
-	Sets the volume 
+	Sets the audio volume 
 .DESCRIPTION
-	This PowerShell script sets the audio volume in percent.
-.PARAMETER volume
-	Specifies the percent number
+	This PowerShell script sets the audio volume to the given value in percent (0..100).
+.PARAMETER percent
+	Specifies the volume in percent (0..100)
 .EXAMPLE
-	PS> ./set-volume 50
+	PS> ./set-volume.ps1 50
 .LINK
 	https://github.com/fleschutz/PowerShell
 .NOTES
 	Author: Markus Fleschutz | License: CC0
 #>
 
-Param([Parameter(Mandatory=$true)] [ValidateRange(0,100)] [Int] $Volume)
+Param([Parameter(Mandatory=$true)] [ValidateRange(0,100)] [Int] $percent)
 
 try {
 	# Create the Windows Shell object. 
 	$obj = New-Object -ComObject WScript.Shell
     
 	# First, set volume to zero. 
-	1..50 | ForEach-Object {  $obj.SendKeys( [char] 174 )  }
-    
-	# Calculate number of (volume up) key presses 
-	$keyPresses = [Math]::Ceiling( $Volume / 2 )
+	for ([int]$i = 0; $i -lt 100; $i += 2) {
+		$obj.SendKeys([char]174) # each tick is -2%
+	}
     
 	# Raise volume to specified level. 
-	for( $i = 0; $i -lt $keyPresses; $i++ ) {
-		$obj.SendKeys( [char] 175 )
+	for ([int]$i = 0; $i -lt $percent; $i += 2) {
+		$obj.SendKeys([char]175) # each tick is +2%
 	}
-	& "$PSScriptRoot/speak-english.ps1" "$($Volume)% volume."
 	exit 0 # success
 } catch {
 	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"