Added write-value.ps1

scripts/write-value.ps1

@@ -0,0 +1,64 @@
+<#
+.SYNOPSIS
+	Writes a value with value range
+.DESCRIPTION
+	This PowerShell script writes the given value to stdout.
+.PARAMETER value
+	Specifies the value
+.EXAMPLE
+	PS> ./write-value.ps1 0.5 Mach 0 10
+	[0⎯0.5 Mach⎯⎯⎯⎯⎯⎯⎯⎯⎯10]
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([float]$value = 0.5, [string]$unit = "Mach", [float]$min = 0.0, [float]$max = 10.0)
+
+function WriteLine([float]$count)
+{
+	for ([int]$i = 0; $i -lt $count; $i++) {
+		Write-Host "⎯" -noNewline
+	}
+}
+
+function WriteBlock([float]$value, [string]$unit, [float]$min, [float]$max) {
+	$text = "[$min $value $unit $max]"
+	$left = 32 - $text.Length
+	if ($value -gt $max) {
+		Write-Host "[$min" -noNewline
+		WriteLine $left
+		Write-Host "$max]" -noNewline
+		Write-Host " $value $unit " -noNewline -foregroundColor red
+	} elseif ($value -lt $min) {
+		Write-Host "$value $unit" -noNewline -foregroundColor red
+		Write-Host " [$min" -noNewline
+		WriteLine $left
+		Write-Host "$max] " -noNewline
+	} else {
+		[float]$percent = ($value * 100.0) / $max
+		Write-Host "[$min" -noNewline
+		WriteLine ($percent / 5.0)
+		Write-Host "$value $unit" -noNewline -foregroundColor green
+		WriteLine ((100.0 - $percent) / 5.0)
+		Write-Host "$max] " -noNewline
+	}
+}
+
+WriteBlock -11.5 "Mach" 0.0 10.0
+Write-Host "Too slow"
+
+WriteBlock 0.5 "Mach" 0.0 10.0
+Write-Host "Good"
+
+WriteBlock 5 "Mach" 0.0 10.0
+Write-Host "Good"
+
+WriteBlock 7 "Mach" 0.0 10.0
+Write-Host "Good"
+
+WriteBlock 15 "Mach" 0.0 10.0
+Write-Host "Too fast"
+
+exit 0 # success