关于expect脚本输出的问题

写了一个expect脚本 执行ssh命令远程登录 然后telnet另外一台机器

大致如下：

#!/usr/bin/expect -f
set timeout 60
set port_type [lindex $argv 0]
set p1 [lindex $argv 1]
set p2 [lindex $argv 2]
set p3 [lindex $argv 3]
set p4 [lindex $argv 4]
set p5 [lindex $argv 5]

if { $port_type eq "http" } {
    #puts "{"retcode":"0","retinfo":"in-http"}"
    #puts "port_type=$port_type p1=$p1  p2=$p2  p3=$p3  p4=$p4  p5=$p5  p6=$p6"
    spawn ssh $p2@$p1
    expect_after eof { exit 0 }
 
    expect "yes/no" { send "yes
" }
    expect "*assword:" { send "$p3
" }

    #spawn 
    #expect "Welcome" { send "telnet $p4 $p5
" }
    expect "*#" { send "telnet $p4 $p5
" }
    expect "Connected to" { puts "{"retcode":"0","retinfo":"success"}"        
                            exit
            }
    puts "{"retcode":"-2","retinfo":"fail"}"

} elseif { $port_type eq "mysql" } {
    set p6 [lindex $argv 6]
    set p7 [lindex $argv 7]
    #puts "{"retcode":"0","retinfo":"in-mysql"}"
    #puts "port_type=$port_type p1=$p1  p2=$p2  p3=$p3  p4=$p4  p5=$p5  p6=$p6 p7=$p7"
    spawn ssh $p2@$p1
    expect_after eof { exit 0 }
 
    expect "yes/no" { send "yes
" }
    expect "*assword:" { send "$p3
" }

    expect "Welcome" { send "mysql -h $p4 -P $p5 -u $p6 -p $p7
" }
    expect "#" { send "mysql -h $p4 -P $p5 -u $p6 -p $p7
" }
    expect "$" { send "mysql -h $p4 -P $p5 -u $p6 -p $p7
" }

    expect "Welcome to the MySQL" { 
            puts "{"retcode":"0","retinfo":"success"}" 
            exit
            }
    puts "{"retcode":"-2","retinfo":"fail"}"
} elseif { $port_type eq "oracle" } {
    set p6 [lindex $argv 6]
    set p7 [lindex $argv 7]
    set p8 [lindex $argv 8]
    #puts "{'retcode':0,'retinfo':'into-oracle'}"
    #puts "{"retcode":"0","retinfo":"in-mysql"}"
    #puts "port_type=$port_type p1=$p1  p2=$p2  p3=$p3  p4=$p4  p5=$p5  p6=$p6  p7=$p7  p8=$p8"
    spawn ssh $p2@$p1
    expect_after eof { exit 0 }
 
    expect "yes/no" { send "yes
" }
    expect "*assword:" { send "$p3
" }
    
    expect "Welcome" { send "sqlplus $p4/$p5@//$p6:$p7/$p8
" }
    expect "#" { send "sqlplus $p4/$p5@//$p6:$p7/$p8
" }
    expect "$" { send "sqlplus $p4/$p5@//$p6:$p7/$p8
" }

    expect "SQL*Plus" { 
            puts "{"retcode":"0","retinfo":"success"}" 
            exit
            }
    puts "{"retcode":"-2","retinfo":"fail"}"
}
#interact

然后PHP中 ：

$a = system('expect.sh');

然后用xshell客户端执行

 curl -d "{"interface":"test","p1":"http","p2":"120","p3":"127.0.0.52","p4":"username","p5":"password","tel_ip":"127.0.0.53","tel_port":"80"}" "http://www.test.com/test.php"

 

这时候xshell会显示所有expect执行步骤 所以初步尝试修改成了

exec('expect.sh',$a);

 

结果虽然不会直接显示在xshell客户端 但是还是会把所有执行步骤的代码输出到$a里面 而我本来只是想把expect里面的puts “sometext”命令的输出返回给$a 后来问同事 知道了可以修改成

$a = exec('expect.sh');

这样就完美解决问题了！！