Add list-cli-tools.ps1

Scripts/list-cli-tools.ps1

@@ -0,0 +1,37 @@
+<#
+.SYNOPSIS
+	list-cli-tools.ps1
+.DESCRIPTION
+	Lists command-line tools available
+.EXAMPLE
+	PS> .\list-cli-tools.ps1
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz / License: CC0
+#>
+
+function CheckTool { param([string]$Name, [string]$Arg)
+	$Version = (git $Arg)
+	if ($lastExitCode -ne "0") { return }
+
+	$Location = (which $Name)
+	if ($lastExitCode -ne "0") { return }
+
+	new-object PSObject -Property @{ Name=$Name; Version=$Version; Location=$Location }
+}
+
+function ListTools { 
+	"Checking CLI tools ..."
+	CheckTool git "--version"
+	CheckTool ipfs "--version"
+	CheckTool wget "--version"
+}
+ 
+try {
+	ListTools | format-table 
+	exit 0
+} catch {
+	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}