Private/Get-AlternateLinks.ps1
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function Get-AlternateLinks { [CmdletBinding()] param( [Parameter(Position=0)] [object]$Headers # gotta be generic since editions have different types ) # Desktop Header: System.Collections.Generic.Dictionary<string,string> # Core Header : System.Collections.Generic.Dictionary<string,IEnumerable<string>> $reAltLink = '<(?<uri>\S+)>;rel="alternate"' if ($Headers -and $Headers.ContainsKey('Link')) { # Regardless of how the link headers are formatted in the response, Desktop # edition will concatenate multiple values with a comma. But Core edition # will return each one in a string array. So we're going to split each string # on a comma to normalize the output. $links = $response.Headers['Link'] | ForEach-Object { $_.Split(',') | ForEach-Object { $_ } } Write-Debug "links has $($links.Count) entries" # now find and return the URIs for only the rel="alternate" ones $links | ForEach-Object { if ($_ -match $reAltLink) { $matches['uri'] } } } } |