PowerShell/Docs/list-exchange-rates.md

The list-exchange-rates.ps1 Script

This PowerShell script lists the current exchange rates for the given currency (USD per default).

Parameters

list-exchange-rates.ps1 [[-currency] <String>] [<CommonParameters>]

-currency <String>
    Specifies the base currency
    
    Required?                    false
    Position?                    1
    Default value                USD
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./list-exchange-rates EUR

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Lists the exchange rates for a currency
.DESCRIPTION
	This PowerShell script lists the current exchange rates for the given currency (USD per default).
.PARAMETER currency
	Specifies the base currency
.EXAMPLE
	PS> ./list-exchange-rates EUR
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$currency = "USD")

function ListExchangeRates { param([string]$currency)
	[xml]$ExchangeRates = (invoke-webRequest -uri "http://www.floatrates.com/daily/$($currency).xml" -userAgent "curl" -useBasicParsing).Content 
	foreach($Row in $ExchangeRates.channel.item) {
		new-object PSObject -property @{ 'Rate' = "$($Row.exchangeRate)"; 'Currency' = "$($Row.targetCurrency) - $($Row.targetName)"; 'Inverse' = "$($Row.inverseRate)"; 'Date' = "$($Row.pubDate)" }
	}
}

try {
	""
	"Current Exchange Rates for 1 $currency (source: http://www.floatrates.com)"
	"================================"

	ListExchangeRates $currency | format-table -property Rate,Currency,Inverse,Date
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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