PowerShell/scripts/watch-news.ps1
2024-05-21 21:37:41 +02:00

48 lines
1.3 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Watch the latest headlines
.DESCRIPTION
This PowerShell script lists the latest headlines by using a RSS (Really Simple Syndication) feed.
.PARAMETER RSS_URL
Specifies the URL to the RSS feed (Yahoo World News by default)
.PARAMETER timeInterval
Specifies the time interval in millisec between the Web requests
.EXAMPLE
PS> ./watch-news.ps1
❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria ❇️
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$RSS_URL = "https://news.yahoo.com/rss/world", [int]$timeInterval = 30000) # in ms
function PrintLatestHeadlines([string]$previous, [int]$maxLines) {
[xml]$content = (Invoke-WebRequest -URI $RSS_URL -useBasicParsing).Content
[string]$latest = ""
foreach ($item in $content.rss.channel.item) {
$itemTitle = "$($item.title)"
if ($latest -eq "") { $latest = $itemTitle }
if ($itemTitle -eq $previous) { break }
& "$PSScriptRoot/write-animated.ps1" "❇️ $itemTitle ❇️"
$maxLines--
if ($maxLines -eq 0) { break }
}
return $latest
}
try {
$latest = ""
while ($true) {
$latest = PrintLatestHeadlines $latest 10
Start-Sleep -milliseconds $timeInterval
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}