list-tiobe-index.ps1

<#
.SYNOPSIS
	Lists the TIOBE index
.DESCRIPTION
	This PowerShell script lists the TIOBE index of top programming languages.
.EXAMPLE
	PS> ./list-tiobe-index.ps1
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

function WriteBar { param([string]$text, [float]$value, [float]$max, [float]$change)
	$num = ($value * 100.0) / $max
	while ($num -ge 1.0) {
		Write-Host "█" -noNewline
		$num -= 1.0
	}
	if ($num -ge 0.875) {
		Write-Host "▉" -noNewline
	} elseif ($num -ge 0.75) {
		Write-Host "▊" -noNewline
	} elseif ($num -ge 0.625) {
		Write-Host "▋" -noNewline
	} elseif ($num -ge 0.5) {
		Write-Host "▌" -noNewline
	} elseif ($num -ge 0.375) {
		Write-Host "▍" -noNewline
	} elseif ($num -ge 0.25) {
		Write-Host "▎" -noNewline
	} elseif ($num -ge 0.125) {
		Write-Host "▏" -noNewline
	}
	Write-Host " $text $($value)%" -noNewline
	if ($change -ge 0.0) {
		Write-Host -foregroundColor green " +$($change)%"
	} else {
		Write-Host -foregroundColor red " $($change)%"
	}
}

try {
	Write-Host ""
	Write-Host ""
	Write-Host "`t`t`t`tTIOBE Index for November 2025"
	Write-Host "`t`t`t`t============================="
	Write-Host ""

	$table = Import-CSV "$PSScriptRoot/data/TIOBE-index.csv"
	foreach($row in $table) {
		[string]$rank = "{0,2}" -f $row.RANK
		[string]$language = "{0,-20}" -f $row.LANGUAGE
		[float]$popularity = $row.POPULARITY
		[float]$change = $row.CHANGE
		Write-Host "$($rank). $language" -noNewline
		WriteBar "" $popularity 30.0 $change
	}
	Write-Host ""
	Write-Host "Source: " -noNewline
	Write-Host "https://tiobe.com/tiobe-index/" -foregroundColor blue -noNewline
	Write-Host " (<Ctrl> <Click> to open the link in your browser)"
	exit 0 # success
} catch {
	"⚠️ ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}