mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-27 09:08:58 +01:00
114 lines
3.1 KiB
Markdown
114 lines
3.1 KiB
Markdown
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>] [[-lines] <Int32>] [[-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
|
||
|
||
-lines <Int32>
|
||
Specifies the initial number of headlines
|
||
|
||
Required? false
|
||
Position? 2
|
||
Default value 10
|
||
Accept pipeline input? false
|
||
Accept wildcard characters? false
|
||
|
||
-timeInterval <Int32>
|
||
Specifies the time interval in seconds between the Web requests
|
||
|
||
Required? false
|
||
Position? 3
|
||
Default value 30
|
||
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-news.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)
|
||
.PARAMETER lines
|
||
Specifies the initial number of headlines
|
||
.PARAMETER timeInterval
|
||
Specifies the time interval in seconds between the Web requests
|
||
.EXAMPLE
|
||
PS> ./watch-news.ps1
|
||
❇️ Niger coup: Ecowas deadline sparks anxiety in northern Nigeria ❇️
|
||
.LINK
|
||
https://github.com/fleschutz/PowerShell
|
||
.NOTES
|
||
Author: Markus Fleschutz | License: CC0
|
||
#>
|
||
|
||
param([string]$RSS_URL = "https://news.yahoo.com/rss/world", [int]$lines = 10, [int]$timeInterval = 30) # in seconds
|
||
|
||
function PrintLatestHeadlines([string]$previous, [int]$maxLines) {
|
||
[xml]$content = (Invoke-WebRequest -URI $RSS_URL -useBasicParsing).Content
|
||
[string]$latest = ""
|
||
|
||
foreach ($item in $content.rss.channel.item) {
|
||
$itemTitle = "$($item.title)"
|
||
if ($latest -eq "") { $latest = $itemTitle }
|
||
if ($itemTitle -eq $previous) { break }
|
||
|
||
& "$PSScriptRoot/write-animated.ps1" "❇️ $itemTitle ❇️"
|
||
$maxLines--
|
||
if ($maxLines -eq 0) { break }
|
||
}
|
||
return $latest
|
||
}
|
||
|
||
try {
|
||
$latest = ""
|
||
while ($true) {
|
||
$latest = PrintLatestHeadlines $latest $lines
|
||
Start-Sleep -seconds $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 08/15/2024 09:50:55)*
|