* replace outdated coding style

 * || -> or
 * open with bare word file handle

git-svn-id: https://lab.mitty.jp/svn/lab/trunk@144 7d2118f6-f56c-43e7-95a2-4bb3031d96e7

diff --git a/misc/dnsbench.pl b/misc/dnsbench.pl
index d5d2008..65bdbdb 100644 (file)
--- a/misc/dnsbench.pl
+++ b/misc/dnsbench.pl
@@ -5,7 +5,7 @@ use warnings;
 
 use Net::DNS;
 
-my $hostlist = shift @ARGV || die "usage: $0 list_of_hosts [nameserver]";
+my $hostlist = shift @ARGV or die "usage: $0 list_of_hosts [nameserver]";
 if (! -r $hostlist) {
     die "$0: cannot read $hostlist";
 }
@@ -24,8 +24,8 @@ else {
 }
 
 
-open LIST, "<$hostlist";
-while (my $host = <LIST>) {
+open my $list, '<', $hostlist or die "$0: filename: $!";
+while (my $host = <$list>) {
     chomp $host;
     my $query = $res->send($host);
     if ($query) {