feat: Posh.Host.UI.Box.LeftWall ( Fixes #367 )

Posh.types.ps1xml

@@ -1636,6 +1636,34 @@ if (-not $theseLines) { return }
 $theseLines[-1].Substring($theseLines[-1].Length - 1)
 
 
+                    </GetScriptBlock>
+      </ScriptProperty>
+      <ScriptProperty>
+        <Name>LeftWall</Name>
+        <GetScriptBlock>
+                        &lt;#
+.SYNOPSIS
+    Gets a box's Left Wall character
+.DESCRIPTION
+    Gets the Left Wall character in a box.
+.NOTES
+    If the box has a odd number of lines (greater than one),
+    then the leftmost character above the middle will be considered the wall.
+#&gt;
+$theseLines = @($this -split '[\r\n]+' -ne '')
+
+if (-not $theseLines) { return }
+if ($theseLines.Length -gt 1 -and $theseLines.Length % 2) {
+    $theLine = $theseLines[[Math]::Floor($theseLines.Length/2) - 1]
+    $theLine.Substring(0,1)
+} else {
+    $theLine = $theseLines[[Math]::Floor($theseLines.Length/2)]
+    $theLine.Substring(0,1)
+}
+
+
+
+
                     </GetScriptBlock>
       </ScriptProperty>
       <ScriptProperty>