Add check-bitcoin.ps1

Docs/VoiceControl.md

@@ -25,7 +25,7 @@ More supported voice commands are:
 
 `Computer, check` [name]
 ------------------------
-Lets the computer check something, replace [name] by: `Christmas`, `CPU`, `date`, `DNS`, `dawn`, `drives`, `dusk`, `Earth` (fun), `headlines`, `ISS`, `moon phase`, `New Year`, `operating system`, `ping`, `sunrise`, `sunset`, `swap space`, `time`, `time zone`, `up-time`, `VPN`, `weather`, or `zenith`.
+Lets the computer check something, replace [name] by: `Bitcoin`, `Christmas`, `CPU`, `date`, `DNS`, `dawn`, `drives`, `dusk`, `Earth` (fun), `headlines`, `ISS`, `moon phase`, `New Year`, `operating system`, `ping`, `sunrise`, `sunset`, `swap space`, `time`, `time zone`, `up-time`, `VPN`, `weather`, or `zenith`.
 
 
 `Computer, open` [name] `browser`

Scripts/check-bitcoin.ps1

@@ -0,0 +1,23 @@
+<#
+.SYNOPSIS
+	Checks the Bitcoin rate
+.DESCRIPTION
+	This script queries the current Bitcoin exchange rates and answers by text-to-speech (TTS).
+.EXAMPLE
+	PS> ./check-bitcoin
+.NOTES
+	Author: Markus Fleschutz · License: CC0
+.LINK
+	https://github.com/fleschutz/PowerShell
+#>
+
+try {
+	$Rates = (Invoke-WebRequest -uri "https://min-api.cryptocompare.com/data/price?fsym=BTC&tsyms=USD,EUR" -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
+	$Reply = "Bitcoin is at $($Rates.USD) US$ and $($Rates.EUR) Euro."
+	"✔️ $Reply"
+	& "$PSScriptRoot/speak-english.ps1" "$Reply"
+	exit 0 # success
+} catch {
+	"⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))"
+	exit 1
+}