PowerShell/docs/list-headlines.md
2024-11-20 11:52:20 +01:00

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The *list-headlines.ps1* Script
===========================
This PowerShell script lists the latest headlines by using a RSS (Really Simple Syndication) feed.
Parameters
----------
```powershell
/home/markus/Repos/PowerShell/scripts/list-headlines.ps1 [[-RSS_URL] <String>] [[-maxLines] <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
-maxLines <Int32>
Specifies the maximum number of lines to list (24 by default)
Required? false
Position? 2
Default value 24
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> ./list-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
Lists 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 maxLines
Specifies the maximum number of lines to list (24 by default)
.EXAMPLE
PS> ./list-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]$RSS_URL = "https://news.yahoo.com/rss/world", [int]$maxLines = 24)
try {
[xml]$content = (Invoke-WebRequest -URI $RSS_URL -useBasicParsing).Content
[int]$count = 1
foreach ($item in $content.rss.channel.item) {
"❇️ $($item.title)"
if ($count++ -eq $maxLines) { 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
}
```
*(generated by convert-ps2md.ps1 as of 11/20/2024 11:51:55)*