PoshBot.Dilbert.psm1
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function Get-Dilbert { <# .SYNOPSIS Retrieve a Dilbert comic. .DESCRIPTION Retrieve a Dilbert comic. .PARAMETER Date The date of the Dilbert comic to retrieve. .PARAMETER AltText Include the alternate text of the comic. .PARAMETER Transcript Include the transcript of the comic. .EXAMPLE !dilbert Get the newest comic .EXAMPLE !dilbert -date 2015-07-04 Get the Dilbert comic published on 2015-07-04 .EXAMPLE !dilbert -date 2014-12-25 -transcript Get the Dilbert comic and include the transcript .EXAMPLE !dilbert -alttext Get the Dislbert comic including the alternate text for the image. #> [PoshBot.BotCommand(CommandName = 'dilbert')] [cmdletbinding()] param( [datetime]$Date = (Get-Date), [switch]$AltText, [switch]$Transcript ) $ProgressPreference = 'SilentlyContinue' Add-Type -AssemblyName System.Web if ($Date -ge [datetime]'1989-04-16') { if ($Date -gt (Get-Date)) { Write-Error 'What are you, from the future?' return } $isoDate = $Date.ToString('yyyy-MM-dd') $uri = "http://dilbert.com/strip/$isoDate" try { $html = Invoke-WebRequest -Uri $uri -UseBasicParsing $img = @($html.Images | Where-Object {$_.class -like '*img-comic*'})[0] $img.src if ($AltText) { $altDecoded = [System.Web.HttpUtility]::HtmlDecode($img.alt.Trim()) '>' + $altDecoded } # Parse comic transcript # I feel a little dirty parsing the HTML this way but <shrug> if ($Transcript) { $div = (($html.Content -Split '<div id="js-toggle-transcript-' + $isoDate + '" class="js-toggle-container">')[1] -Split '</div>')[0] $p = (($div -split '<p>')[1] -split '</p>')[0] '>' + [System.Web.HttpUtility]::HtmlDecode($p) } } catch { Write-Error "Unable to retrieve comic at [$uri]" } } else { throw 'The first Dilbert comic was posted on April 16, 1989. The parameter -Date must be greater than or equal to that.' } } Export-ModuleMember -Function 'Get-Dilbert' |