fix perldoc to ignore unfound null filenames

p4raw-id: //depot/perl@1156

diff --git a/utils/perldoc.PL b/utils/perldoc.PL
index ac71dd6..5b12696 100644 (file)
--- a/utils/perldoc.PL
+++ b/utils/perldoc.PL
@@ -226,7 +226,7 @@ sub check_file {
        return minus_f_nocase($dir,$file);
     } else {
        my $path = minus_f_nocase($dir,$file);
-        return $path if containspod($path);
+        return $path if length $path and containspod($path);
     }
     return "";
 }