From 2a61d89907648cb53adb42f00d091b69a6b1dbc5 Mon Sep 17 00:00:00 2001
From: Roan Horning <roan.horning@gmail.com>
Date: Sun, 31 Jul 2022 15:14:03 -0400
Subject: [PATCH] Guard against empty non existant page id key value

---
 site-generator | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/site-generator b/site-generator
index ad43184..7e1f1f0 100755
--- a/site-generator
+++ b/site-generator
@@ -238,7 +238,10 @@ sub get_filename {
 		}
 		else {
 			$filename = $$config{'filename'};
-			my $padded_index = sprintf("%04d", $$config{'id'});
+			my $padded_index = "";
+			if ($$config{'id'}) {
+				$padded_index = sprintf("%04d", $$config{'id'});
+			}
 			$filename =~ s/\[id\]/$padded_index/;
 		    return $filename;
 		}