[root@dr-mysql01 sbin]# cat t1.pl use DBI; my $dbUser='DEVOPS'; my $user="root"; my $passwd="1234567"; $gp=$ARGV[0]; my @arr2=""; my $dbh = DBI->connect("dbi:mysql:database=DEVOPS;host=192.168.32.161;port=3306",$user,$passwd) or die "can't connect to database ". DBI-errstr; my $hostSql = qq{select IP,INFO,ENV from machine_info where ENV='$gp' }; my ($a1, $a2, $a3,$a4,$a5,$a6,$a7,$a8,$a9); my $selStmt = $dbh->prepare($hostSql); $selStmt->execute(); $selStmt->bind_columns(undef, $a1, $a2, $a3); #$selStmt->execute(); while( $selStmt->fetch() ){ push (@arr2, "$a1 $a2 $a3 " ); }; print "@arr2 is @arr2 "; You have mail in /var/spool/mail/root [root@dr-mysql01 sbin]# perl t1.pl @arr2 is [root@dr-mysql01 sbin]# perl t1.pl 'env-zjtest5' @arr2 is 192.168.32.22 haproxy env-zjtest5 192.168.32.24 front-end env-zjtest5 192.168.32.23 backoffice env-zjtest5 192.168.32.25 app env-zjtest5 192.168.32.26 zjzc-db env-zjtest5 192.168.32.27 pay-db env-zjtest5 192.168.32.28 redis env-zjtest5 192.168.32.29 nfs env-zjtest5