PowerShell/Docs/list-headlines.md

94 lines
2.3 KiB
Markdown
Raw Normal View History

2023-07-29 10:34:04 +02:00
*list-headlines.ps1*
================
2022-11-17 19:46:02 +01:00
This PowerShell script lists the latest RSS feed news.
2023-07-29 10:04:38 +02:00
Parameters
----------
2022-11-17 19:46:02 +01:00
```powershell
2023-07-29 10:15:44 +02:00
PS> ./list-headlines.ps1 [[-RSS_URL] <String>] [[-MaxCount] <Int32>] [<CommonParameters>]
2022-11-17 19:46:02 +01:00
-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.
```
2023-07-29 10:04:38 +02:00
Example
-------
2022-11-17 19:46:02 +01:00
```powershell
2023-08-06 21:36:33 +02:00
PS> ./list-headlines.ps1
❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
...
2022-11-17 19:46:02 +01:00
```
2023-07-29 10:04:38 +02:00
Notes
-----
2022-11-17 19:46:02 +01:00
Author: Markus Fleschutz | License: CC0
2023-07-29 10:04:38 +02:00
Related Links
-------------
2022-11-17 19:46:02 +01:00
https://github.com/fleschutz/PowerShell
2023-07-29 10:04:38 +02:00
Script Content
--------------
2022-11-17 20:05:34 +01:00
```powershell
2022-11-17 20:02:26 +01:00
<#
.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
2023-08-06 21:36:33 +02:00
PS> ./list-headlines.ps1
❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
...
2022-11-17 20:02:26 +01:00
.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 {
2023-08-06 21:36:33 +02:00
[xml]$Content = (Invoke-WebRequest -uri $RSS_URL -useBasicParsing).Content
2022-11-17 20:02:26 +01:00
[int]$Count = 0
foreach ($item in $Content.rss.channel.item) {
2023-08-06 21:36:33 +02:00
"❇ $($item.title)"
2022-11-17 20:02:26 +01:00
$Count++
if ($Count -eq $MaxCount) { break }
}
2023-08-06 21:36:33 +02:00
$Source = $Content.rss.channel.title
$Date = $Content.rss.channel.pubDate
"(by $Source as of $Date)"
2022-11-17 20:02:26 +01:00
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
2022-11-17 20:05:34 +01:00
```
2022-11-17 20:02:26 +01:00
2023-08-06 21:36:33 +02:00
*(generated by convert-ps2md.ps1 using the comment-based help of list-headlines.ps1 as of 08/06/2023 21:36:13)*