Convert-MarkdownToHtml.ps1
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#Requires -Version 6.1 <# .SYNOPSIS Convert a Markdown file to an HTML file. .DESCRIPTION The script convert the specified Markdown file to an HTML file. .PARAMETER MarkdownFilePath Specifies the path of an existing .md Markdown file. .EXAMPLE "Here's the link to the [team session](https://fromthetechlab.blogspot.com)." > .\Readme.md PS> .\Convert-MarkdownToHtml .\Readme.md PS> Get-Content .\Readme.html <p>Here's the link to the <a href="https://fromthetechlab.blogspot.com">team session</a>.</p> Convert a simple Readme.md file to HTML. #> [CmdletBinding()] Param ( [Parameter(Mandatory)] [ValidatePattern('\.md$')] [ValidateScript({Test-Path $_ -PathType Leaf})] [string] $MarkdownFilePath ) Function ShowMessageBox($Text, $Type) { If (Start-Job { $DefaultType = 'Error' $Type = $Using:Type ?? $DefaultType Add-Type -AssemblyName PresentationFramework [System.Windows.MessageBox]::Show( $Using:Text, 'Convert Markdown to HTML', $Type -eq $DefaultType ? 'OK':'YesNo', $Type ) -in ('No','OK') } | Receive-Job -Wait -AutoRemoveJob) { Exit 1 } } If (Test-Path ($HtmlFilePath = [System.IO.Path]::ChangeExtension($MarkdownFilePath, 'html'))) { (Test-Path $HtmlFilePath -PathType Leaf) ? ( ShowMessageBox "The file `"$HtmlFilePath`" already exists.`n`nDo you want to overwrite it?" 'Exclamation' ):( ShowMessageBox "`"$HtmlFilePath`" cannot be overwritten because it is a directory." ) } Try { (ConvertFrom-Markdown $MarkdownFilePath).Html | Out-File $HtmlFilePath } Catch { ShowMessageBox $_.Exception.Message } |