PowerShell/scripts/watch-news.ps1
2024-11-04 21:21:53 +01:00

58 lines
1.9 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Watch the news
.DESCRIPTION
This PowerShell script continuously lists the latest headlines by using a RSS (Really Simple Syndication) feed.
.PARAMETER 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 two Web requests (30 seconds by default)
.EXAMPLE
PS> ./watch-news.ps1
UTC Yahoo News - Latest News & Headlines - https://www.yahoo.com/news/world
--- -----------------------------------------------------------------------
❇️ 14:29 Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
...
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$URL = "https://news.yahoo.com/rss/world", [int]$timeInterval = 30) # in seconds
function PrintLatestHeadlines([xml]$content, [string]$latestTimestamp) {
$items = $content.rss.channel.item
[array]::Reverse($items)
foreach($item in $items) {
if ($($item.pubDate) -le $latestTimestamp) { continue }
$title = $item.title
$time = $item.pubDate.Substring(11, 5)
& "$PSScriptRoot/write-typewriter.ps1" "❇️ $time $title" 2
$latestTimestamp = $item.pubDate
}
return $latestTimestamp
}
try {
[xml]$content = (Invoke-WebRequest -URI $URL -useBasicParsing).Content
$title = $content.rss.channel.title
$link = $content.rss.channel.link
" "
" UTC $title - $link"
" --- -----------------------------------------------------------------------"
$latestTimestamp = "2000-01-01"
do {
$latestTimestamp = PrintLatestHeadlines $content $latestTimestamp
Start-Sleep -seconds $timeInterval
[xml]$content = (Invoke-WebRequest -URI $URL -useBasicParsing).Content
} while ($true)
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}