PowerShell/scripts/watch-news.ps1
2024-06-13 12:01:41 +02:00

50 lines
1.4 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 lines
Specifies the initial number of headlines
.PARAMETER timeInterval
Specifies the time interval in seconds 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]$RSS_URL = "https://news.yahoo.com/rss/world", [int]$lines = 10, [int]$timeInterval = 30) # in seconds
function PrintLatestHeadlines([string]$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 $lines
Start-Sleep -seconds $timeInterval
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}