Get the svn externs for all folder and provide a distinct list

GetUniqueSvnExternsRecursive.ps1

#Get the svn externs for all folders and provide a distinct list

$svnDirectory="c:\sg\programfiles\svn\1.6.6.40053" #NOTE : put your svn path here
$svnExe="$svnDirectory\svn.exe"

$externs = & $svnExe propget svn:externals -R

$externs | sort | Get-Unique >> DistinctSvnExternal.txt #Raw file
$uniqueDependencies = @{};
$externs | sort | Get-Unique |
	%{ 
		$val = $_.split(" ")[0];
		$uniqueDependencies[$val] = $val
	}
$DistinctSvnExternalValues = $uniqueDependencies.GetEnumerator() | 
	Sort-Object Value -descending |
	select value 
$DistinctSvnExternalValues > DistinctSvnExternalValues.txt #Cleaner file