Forex

powershell/forex.ps1

@@ -0,0 +1,28 @@
+$_userForexToday = (Get-Content ~/.forex | ConvertFrom-Json).conversion_rates
+
+function Update-ForexData {
+    ((Invoke-WebRequest "$_userForexUrl").Content | ConvertFrom-Json).conversion_rates > ~/.forex
+}
+function Get-ExchangeRate {
+    param (
+        [string] $From,
+        [string] $To = "CNY",
+        [double] $Value = 1
+    )
+    if (-not $from) {
+        Get-ForexOverview
+        return
+    }
+    Write-Host $From : $To "  "  -NoNewline -ForegroundColor DarkGreen
+    ($Value * ($_userForexToday.$To / $_userForexToday.$From)) | Write-Host -ForegroundColor DarkBlue
+}
+
+function Get-ForexOverview {
+    Get-ExchangeRate -From GBP -To CNY -Value 1
+    Get-ExchangeRate -From USD -To CNY -Value 1
+    Get-ExchangeRate -From HKD -To CNY -Value 1
+    Get-ExchangeRate -From EUR -To CNY -Value 1
+    Get-ExchangeRate -From CNY -To JPY -Value 1
+}
+
+Set-Alias "forex" "Get-ExchangeRate"