PowerShell/docs/watch-news.md

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2024-05-19 10:25:56 +02:00
Script: *watch-news.ps1*
========================
This PowerShell script lists the latest headlines by using a RSS (Really Simple Syndication) feed.
Parameters
----------
```powershell
PS> ./watch-news.ps1 [[-RSS_URL] <String>] [[-timeInterval] <Int32>] [<CommonParameters>]
-RSS_URL <String>
Specifies the URL to the RSS feed (Yahoo World News by default)
Required? false
Position? 1
Default value https://news.yahoo.com/rss/world
Accept pipeline input? false
Accept wildcard characters? false
-timeInterval <Int32>
Required? false
Position? 2
Default value 30000
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
-------
```powershell
PS> ./watch-headlines.ps1
❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria ❇️
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.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)
.EXAMPLE
PS> ./watch-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]$RSS_URL = "https://news.yahoo.com/rss/world", [int]$timeInterval = 30000) # in ms
function GetLatestHeadline {
[xml]$content = (Invoke-WebRequest -URI $RSS_URL -useBasicParsing).Content
foreach ($item in $content.rss.channel.item) { return "$($item.title)" }
return ""
}
try {
$previous = ""
while ($true) {
$latest = GetLatestHeadline
if ($latest -ne $previous) {
& "$PSScriptRoot/write-animated.ps1" "❇️ $latest ❇️"
$previous = $latest
}
Start-Sleep -milliseconds $timeInterval
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 using the comment-based help of watch-news.ps1 as of 05/19/2024 10:25:27)*