Public/Out-Diff.ps1

function Out-Diff {
    <#
    .Synopsis
        Redirects a Universal DIFF encoded text from the pipeline to the host using colors to highlight the differences.
    .Description
        Helper function to highlight the differences in a Universal DIFF text using color coding.
    .Parameter InputObject
        The text to display as Universal DIFF.
    #>

    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true, ValueFromPipeline=$true)]
        [PSObject]$InputObject
    )
        Process {
            $contentLine = $InputObject | Out-String
            if ($contentLine -match "^Index:") {
                Write-Host $contentLine -ForegroundColor Cyan -NoNewline
            } elseif ($contentLine -match "^(\+|\-|\=){3}") {
                Write-Host $contentLine -ForegroundColor Gray -NoNewline
            } elseif ($contentLine -match "^\@{2}") {
                Write-Host $contentLine -ForegroundColor Gray -NoNewline
            } elseif ($contentLine -match "^\+") {
                Write-Host $contentLine -ForegroundColor Green -NoNewline
            } elseif ($contentLine -match "^\-") {
                Write-Host $contentLine -ForegroundColor Red -NoNewline
            } else {
                Write-Host $contentLine -NoNewline
            }
        }
    }