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54 lines
1.6 KiB
PowerShell
Executable File
54 lines
1.6 KiB
PowerShell
Executable File
<#
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.SYNOPSIS
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List coffee prices
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.DESCRIPTION
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This PowerShell script queries alphavantage.co and lists the global price of coffee (monthly, in cents per points).
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.EXAMPLE
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PS> ./list-coffee-prices.ps1
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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function WriteHorizontalBar { param([float]$Value, [float]$Max)
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$Num = ($Value * 100.0) / $Max
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while ($Num -ge 1.0) { Write-Host "█" -noNewline; $Num -= 1.0 }
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if ($Num -ge 0.875) {
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Write-Host "▉" -noNewline
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} elseif ($Num -ge 0.75) {
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Write-Host "▊" -noNewline
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} elseif ($Num -ge 0.625) {
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Write-Host "▋" -noNewline
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} elseif ($Num -ge 0.5) {
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Write-Host "▌" -noNewline
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} elseif ($Num -ge 0.375) {
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Write-Host "▍" -noNewline
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} elseif ($Num -ge 0.25) {
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Write-Host "▎" -noNewline
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} elseif ($Num -ge 0.125) {
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Write-Host "▏" -noNewline
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}
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Write-Host " $Value"
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}
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try {
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Write-Progress "Loading data from www.alphavantage.co..."
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$prices = (Invoke-WebRequest -URI "https://www.alphavantage.co/query?function=COFFEE&interval=monthly&apikey=demo" -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
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Write-Progress -completed " "
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""
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"$($prices.name) (by alphavantage.co, in $($prices.unit))"
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"---------------------------------------------------------------"
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foreach($item in $prices.data) {
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if ($Item.value -eq ".") { continue }
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Write-Host "$($item.date) " -noNewline
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[int]$value = $Item.value
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WriteHorizontalBar $value 350.0
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}
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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