1 files changed, 12 insertions, 12 deletions

diff --git a/utils/rhrd-show b/utils/rhrd-show
index a9e0abc..daa3060 100755
--- a/utils/rhrd-show
+++ b/utils/rhrd-show
@@ -123,31 +123,31 @@ sub add__check_arguments
   }
 
   my ($result, $err, $hint) = RHRD::utils::dropbox_param_rhythm_ok($rhythm);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::cmdline_dow($dow);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_starttime_ok($starttime);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_len_ok($len);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_showtype_ok($type);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
@@ -221,31 +221,31 @@ sub edit__check_arguments
   my ($showid, $title, $rhythm, $dow, $starttime, $len, $type) = @_;
 
   my ($result, $err, $hint) = RHRD::utils::dropbox_param_rhythm_ok($rhythm);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::cmdline_dow($dow);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_starttime_ok($starttime);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_len_ok($len);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
 
   ($result, $err, $hint) = RHRD::utils::dropbox_param_showtype_ok($type);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
@@ -410,7 +410,7 @@ sub multi_add
   my $type = shift;
 
   my ($result, $err, $hint) = RHRD::utils::dropbox_param_showtype_ok($type);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }
@@ -442,7 +442,7 @@ sub multi_edit
   my $type = shift;
 
   my ($result, $err, $hint) = RHRD::utils::dropbox_param_showtype_ok($type);
-  unless($result) {
+  unless(defined $result) {
     print STDERR $err . "\n " . $hint . "\n";
     return 1;
   }