Initial data commit

Task/Semordnilap/PowerShell/semordnilap.psh

@@ -0,0 +1,35 @@
+function Reverse-String ([string]$String)
+{
+    [char[]]$output = $String.ToCharArray()
+    [Array]::Reverse($output)
+    $output -join ""
+}
+
+[string]$url = "http://www.puzzlers.org/pub/wordlists/unixdict.txt"
+[string]$out = ".\unixdict.txt"
+
+(New-Object System.Net.WebClient).DownloadFile($url, $out)
+
+[string[]]$file = Get-Content -Path $out
+
+[hashtable]$unixDict    = @{}
+[hashtable]$semordnilap = @{}
+
+foreach ($line in $file)
+{
+    if ($line.Length -gt 1)
+    {
+        $unixDict.Add($line,"")
+    }
+
+    [string]$reverseLine = Reverse-String $line
+
+    if ($reverseLine -notmatch $line -and $unixDict.ContainsKey($reverseLine))
+    {
+        $semordnilap.Add($line,$reverseLine)
+    }
+}
+
+$semordnilap
+
+"`nSemordnilap count: {0}" -f ($semordnilap.GetEnumerator() | Measure-Object).Count