From e3a585864577165392db3abe03c3f948cb578bb5 Mon Sep 17 00:00:00 2001
From: markcowl <markcowl@microsoft.com>
Date: Thu, 14 Sep 2017 20:04:23 -0700
Subject: [PATCH] Make HalpAnalyzer robust over empty dependent assemblies

---
 tools/StaticAnalysis/HelpAnalyzer/HelpAnalyzer.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/StaticAnalysis/HelpAnalyzer/HelpAnalyzer.cs b/tools/StaticAnalysis/HelpAnalyzer/HelpAnalyzer.cs
index 5a6d0746c507..9663418de6e3 100644
--- a/tools/StaticAnalysis/HelpAnalyzer/HelpAnalyzer.cs
+++ b/tools/StaticAnalysis/HelpAnalyzer/HelpAnalyzer.cs
@@ -203,7 +203,7 @@ private void AnalyzeMarkdownHelp(
                     return;
                 }
 
-                var cmdletFiles = cmdletResult.Select(c => c.ToString().Substring(2));
+                var cmdletFiles = cmdletResult.Where(i => i != null && !string.IsNullOrWhiteSpace(i.ToString()) && i.ToString().Length > 2).Select(c => c.ToString().Substring(2));
                 if (cmdletFiles.Any())
                 {
                     List<CmdletHelpMetadata> allCmdlets = new List<CmdletHelpMetadata>();