expect脚本语言用法示例

#!/usr/bin/expect                                                                                                                   

set hostname [lindex $argv 0]
set username [lindex $argv 1]
set passwd [lindex $argv 2]
set dbname [lindex $argv 3]                                                                                                         

set timeout 10
#spawn /usr/bin/ssh $username@$hostname
#expect {
#           "yes/no" { send "yes";exp_continue}
#           "password:"{send "$passwd";}
#}                                                                                                                                  

spawn /usr/kerberos/bin/telnet $hostname
expect "login:" {send "$username\r"}
expect "Password:" {send "$passwd\r"}
send "export LANG=C\r"
send "cat /etc/redhat-release|sed 's/ //g'|awk '{ print \"OSLEVEL:\"\$1\":\"}'\r"
send "cat /proc/meminfo |grep MemTotal|awk  '{ print \"MEMSIZE:\" \$2\$3\":\" }'\r"
send "cat /proc/cpuinfo|grep \"physical id\"|sort|uniq |wc -l|awk '{ print \"CPU:\"\$1\":\"}'\r"
send "db2 connect to $dbname\r"
send "db2  -x \"select 'DBSIZE:',sum(TBSP_USED_SIZE_KB)/1024/1024,':'   from SYSIBMADM.TBSP_UTILIZATION\"\r"
send "db2 terminate\r"
send "exit\r"                                                                                                                       

expect eof