PowerShell/list-news.md at 701fe3fa6549506f0fb6056269428379f60842fb

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Markus Fleschutz a8ce6ede69 Update manuals in Docs/

2022-11-18 17:02:20 +01:00

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The list-news.ps1 PowerShell Script

This PowerShell script lists the latest news by using RSS (Really Simple Syndication) feeds.

Parameters

list-news.ps1 [[-RSS_URL] <String>] [[-MaxCount] <Int32>] [<CommonParameters>]

-RSS_URL <String>
    Specifies the URL to the RSS feed (Yahoo News by default)
    
    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 lines to list (20 by default)
    
    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-news

Notes

Author: Markus Fleschutz | License: CC0

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Lists the news
.DESCRIPTION
	This PowerShell script lists the latest news by using RSS (Really Simple Syndication) feeds.
.PARAMETER RSS_URL
	Specifies the URL to the RSS feed (Yahoo News by default)
.PARAMETER MaxCount
	Specifies the number of lines to list (20 by default)
.EXAMPLE
	PS> ./list-news
.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 = 1
	foreach ($Item in $Content.rss.channel.item) {
		& "$PSScriptRoot/write-typewriter.ps1" "→ $($Item.title)" 20 # ms speed
		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
}

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