PS> ./list-news.ps1 [[-RSS_URL] <String>] [[-maxLines] <Int32>] [[-speed] <Int32>] [<CommonParameters>]

-RSS_URL <String>
    Specifies the URL to the RSS feed (default: New York Times)
    
    Required?                    false
    Position?                    1
    Default value                https://rss.nytimes.com/services/xml/rss/nyt/World.xml
    Accept pipeline input?       false
    Aliases                      
    Accept wildcard characters?  false

-maxLines <Int32>
    Specifies the maximum number of lines to list (default: 24)
    
    Required?                    false
    Position?                    2
    Default value                24
    Accept pipeline input?       false
    Aliases                      
    Accept wildcard characters?  false

-speed <Int32>
    Specifies the speed to write the text (default: 10ms)
    
    Required?                    false
    Position?                    3
    Default value                5
    Accept pipeline input?       false
    Aliases                      
    Accept wildcard characters?  false

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

PS> ./list-news.ps1
 
 UTC   HEADLINES         (source: https://www.nytimes.com/section/world)
 ---   ---------
09:15  Deadly Mediterranean wildfires kill more than 40
...

<#
.SYNOPSIS
	Lists the latest news
.DESCRIPTION
	This PowerShell script lists the latest news by using a RSS (Really Simple Syndication) feed.
.PARAMETER RSS_URL
	Specifies the URL to the RSS feed (default: New York Times)
.PARAMETER maxLines
	Specifies the maximum number of lines to list (default: 24)
.PARAMETER speed
        Specifies the speed to write the text (default: 10ms)
.EXAMPLE
	PS> ./list-news.ps1
  
	 UTC   HEADLINES         (source: https://www.nytimes.com/section/world)
	 ---   ---------
	09:15  Deadly Mediterranean wildfires kill more than 40
	...
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$RSS_URL = "https://rss.nytimes.com/services/xml/rss/nyt/World.xml", [int]$maxLines = 24, [int]$speed = 5)

try {
	[xml]$content = (Invoke-WebRequest -URI $RSS_URL -useBasicParsing).Content
	$title = $content.rss.channel.title
	$URL = $content.rss.channel.link
	Write-Host "`n UTC    HEADLINES             (source: " -noNewline
        Write-Host $URL -foregroundColor blue -noNewline
        Write-Host ")"
        Write-Host " ---    ---------"
	[int]$count = 1
	foreach ($item in $content.rss.channel.item) {
		$title = $item.title -replace "â","'"
		$time = $item.pubDate.Substring(16, 6)
		& "$PSScriptRoot/write-typewriter.ps1" "$time  $title" $speed
		if ($count++ -eq $maxLines) { break }
	}
	exit 0 # success
} catch {
	"⚠️ ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}