--- a/debian/control	Thu Jan 23 22:58:26 2014 +0100
+++ b/debian/control	Thu Jan 23 23:31:08 2014 +0100
@@ -4,7 +4,7 @@
 Package: nagios-plugin-amanda-client
 Section: misc
 Architecture: any
-Depends: amanda-client (>= 3.0)
+Depends: amanda-client (>= 3.0), libconst-fast-perl
 Description: nagios plugin do client side checks of the Amanda backup suite
  This is a nagios plugin. It checks triggers the Amanda client check
  for the current host and compares the DLE with the currenty mounted file systems.

--- a/plugins/check_amanda-client	Thu Jan 23 22:58:26 2014 +0100
+++ b/plugins/check_amanda-client	Thu Jan 23 23:31:08 2014 +0100
@@ -11,9 +11,14 @@
 use File::Find;
 use Carp;
 use Pod::Usage;
+use Const::Fast;
 
 our $VERSION = '0.0.2';
 
+const my $NAME  => 'AMANDA-CLIENT';
+const my $USER  => 'backup';
+const my $CFDIR => '/etc/amanda';
+
 sub su;
 sub find_tool;
 sub check_perms;
@@ -25,8 +30,6 @@
 
 sub main;
 
-my $NAME = 'AMANDA-CLIENT';
-
 sub ok;
 sub warning;
 sub critical;
@@ -51,17 +54,9 @@
         'v|verbose'   => \$opt_verbose,
     ) or pod2usage;
 
-    if ($opt_verbose) {
-        *::verbose = sub { say '# ', @_ }
-    }
-    else {
-        *::verbose = sub { }
-    }
+    *::verbose = $opt_verbose ? sub { say '# ', @_ } : sub { };
 
     # test needs to be run as root:* or as backup:backup
-    my $USER  = 'backup';
-    my $CFDIR = '/etc/amanda';
-
     # change to backup if still root
     su $USER if $> == 0;