Get-PacktPubFreeDailyEbook.ps1
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function Get-PacktPubFreeDailyEbook { <# .SYNOPSIS Queries the free PacktPub ebook of the day. .DESCRIPTION CREDIT: https://www.reddit.com/r/PowerShell/comments/6550a7/using_powershell_for_office_pranks/dg7whnl/ #> [CmdletBinding()] param ( [Parameter(Mandatory=$false, Position=0)] [System.String] $Global:ProgressPreference = 'SilentlyContinue' ) if (Test-NetConnection -ComputerName bing.com -Port 80 -InformationLevel Quiet -ErrorAction SilentlyContinue -WarningAction SilentlyContinue) { $Now = Get-Date $Date = Get-Date -Month $Now.Month -Day 1 while ($Date.DayOfWeek -ne 'Tuesday') {$Date = $Date.AddDays(1)} if ($Date.ToShortDateString() -eq $Now.ToShortDateString()) { $PSLUPath = "$env:ProgramFiles\WindowsPowerShell\Configuration\pshelp-lastupdated.txt" $PSHelpLastUpdate = (Get-ChildItem -Path $PSLUPath -ErrorAction SilentlyContinue).LastWriteTime if ($PSHelpLastUpdate.Month -ne $Now.Month) { if ((New-Object System.Security.Principal.WindowsPrincipal([System.Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)) { New-Item -Path $PSLUPath -ItemType File -Force | Out-Null Start-Job { Update-Module -Force Update-Help -ErrorAction SilentlyContinue } | Out-Null } else { Write-Warning -Message 'Aborting PowerShell Module and Help update due to PowerShell not being run as a local administrator!' } } } try { $Book = (Invoke-WebRequest -Uri https://www.packtpub.com/packt/offers/free-learning/ -ErrorAction Stop).ParsedHtml.getElementsByTagName('H2')[0].InnerHTML.Trim() } catch [System.NotSupportedException] { Write-Warning -Message "Internet Explorer engine not available or its first-launch configuration is not complete." } catch { Write-Warning -Message 'An unknown error has occurred.' } if ($Book -and ($Book -ne 'Contact Us')) { Write-Host 'The Packt Publishing free learning eBook of the day is: ' -ForegroundColor Cyan -NoNewline Write-Host "'$Book'" -ForegroundColor Yellow } } $Global:ProgressPreference = 'Continue' } |