disorder-notify.in, disorder-ondemand.in: Make sure `$buffer' is defined.

diff --git a/disorder-notify.in b/disorder-notify.in
index ffdfb8e..2da54f6 100755 (executable)
--- a/disorder-notify.in
+++ b/disorder-notify.in
@@ -260,7 +260,7 @@ sub watch_and_notify0 ($) {
       }
 
       @lines = split /\n/, $buffer, -1;
-      $buffer = pop @lines;
+      $buffer = pop(@lines) // "";
     }
   }
 

diff --git a/disorder-ondemand.in b/disorder-ondemand.in
index d9429bb..a517e7b 100755 (executable)
--- a/disorder-ondemand.in
+++ b/disorder-ondemand.in
@@ -130,7 +130,7 @@ sub watch_status () {
       }
 
       @lines = split /\n/, $buffer, -1;
-      $buffer = pop @lines;
+      $buffer = pop(@lines) // "";
     }
 
     for my $line (@lines) {