PowerShell/Docs/list-headlines.md
2023-08-06 21:36:33 +02:00

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list-headlines.ps1

This PowerShell script lists the latest RSS feed news.

Parameters

PS> ./list-headlines.ps1 [[-RSS_URL] <String>] [[-MaxCount] <Int32>] [<CommonParameters>]

-RSS_URL <String>
    Specifies the URL to the RSS feed
    
    Required?                    false
    Position?                    1
    Default value                https://yahoo.com/news/rss/world
    Accept pipeline input?       false
    Accept wildcard characters?  false

-MaxCount <Int32>
    Specifies the number of news to list
    
    Required?                    false
    Position?                    2
    Default value                20
    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-headlines.ps1
 Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
...

Notes

Author: Markus Fleschutz | License: CC0

https://github.com/fleschutz/PowerShell

Script Content

<#
.SYNOPSIS
	Lists the latest headlines
.DESCRIPTION
	This PowerShell script lists the latest RSS feed news.
.PARAMETER RSS_URL
	Specifies the URL to the RSS feed
.PARAMETER MaxCount
	Specifies the number of news to list
.EXAMPLE
	PS> ./list-headlines.ps1
	❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
	...
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$RSS_URL = "https://yahoo.com/news/rss/world", [int]$MaxCount = 20)

try {
	[xml]$Content = (Invoke-WebRequest -uri $RSS_URL -useBasicParsing).Content
	[int]$Count = 0
	foreach ($item in $Content.rss.channel.item) {
		"❇ $($item.title)"
		$Count++
		if ($Count -eq $MaxCount) { break }
	}
        $Source = $Content.rss.channel.title
        $Date = $Content.rss.channel.pubDate
	"(by $Source as of $Date)"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

(generated by convert-ps2md.ps1 using the comment-based help of list-headlines.ps1 as of 08/06/2023 21:36:13)