report error without nmap output

diff --git a/lib/PXElator/nmap.pm b/lib/PXElator/nmap.pm
index 6759cee..984f150 100644 (file)
--- a/lib/PXElator/nmap.pm
+++ b/lib/PXElator/nmap.pm
@@ -22,6 +22,11 @@ sub scan {
 
        system("nmap -O -oX $path $what");
 
 
        system("nmap -O -oX $path $what");
 

+       if ( ! -e $path ) {
+               warn "ERROR running nmap: $!";
+               return;
+       }
+

        my $nmap = XMLin(
                "$path",
                KeyAttr => { address => 'addrtype' },
        my $nmap = XMLin(
                "$path",
                KeyAttr => { address => 'addrtype' },