mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-21 15:33:15 +01:00
125 lines
3.6 KiB
Markdown
125 lines
3.6 KiB
Markdown
The *watch-news.ps1* Script
|
|
===========================
|
|
|
|
This PowerShell script continuously lists the latest headlines by using a RSS (Really Simple Syndication) feed.
|
|
|
|
Parameters
|
|
----------
|
|
```powershell
|
|
/home/markus/Repos/PowerShell/scripts/watch-news.ps1 [[-URL] <String>] [[-timeInterval] <Int32>] [<CommonParameters>]
|
|
|
|
-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>
|
|
Specifies the time interval in seconds between two Web requests (60 seconds by default)
|
|
|
|
Required? false
|
|
Position? 2
|
|
Default value 60
|
|
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
|
|
|
|
|
|
|
|
UTC HEADLINES (by: https://www.yahoo.com/news/world)
|
|
--- ------------------------------------------------
|
|
14:29 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 news
|
|
.DESCRIPTION
|
|
This PowerShell script continuously lists the latest headlines by using a RSS (Really Simple Syndication) feed.
|
|
.PARAMETER 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 two Web requests (60 seconds by default)
|
|
.EXAMPLE
|
|
PS> ./watch-news.ps1
|
|
|
|
UTC HEADLINES (by: https://www.yahoo.com/news/world)
|
|
--- ------------------------------------------------
|
|
14:29 Niger coup: Ecowas deadline sparks anxiety in northern Nigeria
|
|
...
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([string]$URL = "https://news.yahoo.com/rss/world", [int]$timeInterval = 60) # in seconds
|
|
|
|
function PrintLatestHeadlines([xml]$content, [string]$latestTimestamp, [string]$icon) {
|
|
$items = $content.rss.channel.item
|
|
[array]::Reverse($items)
|
|
$newLatest = $latestTimestamp
|
|
foreach($item in $items) {
|
|
$pubDate = $item.pubDate
|
|
if ($pubDate -le $latestTimestamp) { continue }
|
|
$title = $item.title
|
|
$time = $pubDate.Substring(11, 5)
|
|
Write-Host "$time $title$icon"
|
|
Start-Sleep -milliseconds 500
|
|
if ($pubDate -gt $newLatest) { $newLatest = $pubDate }
|
|
}
|
|
return $newLatest
|
|
}
|
|
|
|
try {
|
|
[xml]$content = (Invoke-WebRequest -URI $URL -useBasicParsing).Content
|
|
$title = $content.rss.channel.title.toUpper()
|
|
$link = $content.rss.channel.link
|
|
Write-Host "`n UTC HEADLINES (by: " -noNewline
|
|
Write-Host $link -foregroundColor blue -noNewline
|
|
Write-Host ")"
|
|
Write-Host " --- ------------------------------------------------"
|
|
$latestTimestamp = "2000-01-01"
|
|
$icon = ""
|
|
do {
|
|
$latestTimestamp = PrintLatestHeadlines $content $latestTimestamp $icon
|
|
$icon = "🆕"
|
|
Start-Sleep -seconds $timeInterval
|
|
[xml]$content = (Invoke-WebRequest -URI $URL -useBasicParsing).Content
|
|
} while ($true)
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|
|
```
|
|
|
|
*(generated by convert-ps2md.ps1 as of 11/20/2024 11:52:01)*
|