<# .SYNOPSIS List coffee prices .DESCRIPTION This PowerShell script queries alphavantage.co and lists the global price of coffee (monthly, in cents per points). .EXAMPLE PS> ./list-coffee-prices .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> function WriteHorizontalBar { param([float]$Value, [float]$Max) $Num = ($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 " $Value" } try { $prices = (Invoke-WebRequest -URI "https://www.alphavantage.co/query?function=COFFEE&interval=monthly&apikey=demo" -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json "" "$($prices.name) (by alphavantage.co, in $($prices.unit))" "---------------------------------------------------------------" foreach($item in $prices.data) { if ($Item.value -eq ".") { continue } Write-Host "$($item.date) " -noNewline [int]$value = $Item.value WriteHorizontalBar $value 350.0 } exit 0 # success } catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }