Added set-timer.ps1

README.md

@@ -36,6 +36,7 @@ The following PowerShell scripts can be found in the [Scripts/](Scripts/) subfol
 * [send-email.ps1](Scripts/send-email.ps1) - sends an email message
 * [send-tcp.ps1](Scripts/send-udp.ps1) - sends a TCP message to the given IP address and port
 * [send-udp.ps1](Scripts/send-udp.ps1) - sends a UDP datagram message to the given IP address and port
+* [set-timer.ps1](Scripts/set-timer.ps1) - sets a timer for a countdown
 * [SHA1.ps1](Scripts/SHA1.ps1) - prints the SHA1 checksum of the given file
 * [SHA256.ps1](Scripts/SHA256.ps1) - prints the SHA256 checksum of the given file
 * [simulate-matrix.ps1](Scripts/simulate-matrix.ps1) - simulates the Matrix (fun)

Scripts/set-timer.ps1

@@ -0,0 +1,24 @@
+#!/snap/bin/powershell
+
+# Syntax:       ./set-timer.ps1 [<seconds>]
+# Description:	sets a timer for a countdown
+# Author:	Markus Fleschutz
+# Source:	github.com/fleschutz/PowerShell
+# License:	CC0
+
+param([int]$Seconds)
+if ($Seconds -eq 0 ) {
+	[int]$Seconds = read-host "Enter number of seconds"
+}
+
+try {
+	for ($i = $Seconds; $i -gt 0; $i--) {
+		write-progress "$i seconds"
+		start-sleep -s 1
+	}
+	write-host "OK - $Seconds seconds countdown finished"
+	exit 0
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}

Scripts/switch-shelly1.ps1

@@ -14,7 +14,7 @@ if ($TurnMode -eq "" ) {
 	$TurnMode = read-host "Enter turn mode (on/off/toggle)"
 }
 if ($Timer -eq 0 ) {
-	$Timer = read-host "Enter timer (0=endless)"
+	[int]$Timer = read-host "Enter timer (0=endless)"
 }
 
 try {