PowerShell/Docs/list-headlines.md
2023-10-19 08:12:00 +02:00

94 lines
2.3 KiB
Markdown
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

*list-headlines.ps1*
================
This PowerShell script lists the latest RSS feed news.
Parameters
----------
```powershell
PS> ./list-headlines.ps1 [[-RSS_URL] <String>] [[-maxCount] <Int32>] [<CommonParameters>]
-RSS_URL <String>
Specifies the URL to the RSS feed
Required? false
Position? 1
Default value https://yahoo.com/news/rss/world
Accept pipeline input? false
Accept wildcard characters? false
-maxCount <Int32>
Specifies the number of news to list
Required? false
Position? 2
Default value 20
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 RSS feed news.
.PARAMETER RSS_URL
Specifies the URL to the RSS feed
.PARAMETER maxCount
Specifies the number of news to list
.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]$RSS_URL = "https://yahoo.com/news/rss/world", [int]$maxCount = 20)
try {
[xml]$content = (Invoke-WebRequest -uri $RSS_URL -useBasicParsing).Content
[int]$count = 0
foreach ($item in $content.rss.channel.item) {
"❇️ $($item.title)"
$count++
if ($count -eq $maxCount) { 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 using the comment-based help of list-headlines.ps1 as of 10/19/2023 08:11:39)*