DBConnect-Cache: undefined-Warnungen vermeiden

Treten z.B. beim Aufsetzen der Testdatenbank auf.

diff --git a/SL/DBConnect/Cache.pm b/SL/DBConnect/Cache.pm
index 778785c..262c113 100644 (file)
--- a/SL/DBConnect/Cache.pm
+++ b/SL/DBConnect/Cache.pm
@@ -52,7 +52,7 @@ sub _args2str {
     map { $_ => $options->{$_} }
     sort keys %$options;                  # deterministic order
 
-  join ';', apply { s/([;\\])/\\$1/g } $dbconnect, $dbuser, $dbpasswd, $options_str, $initial_sql;
+  join ';', apply { $_ //= ''; s/([;\\])/\\$1/g } $dbconnect, $dbuser, $dbpasswd, $options_str, $initial_sql;
 }
 
 1;