Shell Programming and Scripting

#! /usr/local/bin/expect

set command [ lindex $argv 0 ]
set name [lindex $argv 1]
eval spawn $command

switch -exact $command {
    "bash expecttest.sh" {
        expect "Enter you name:*"
        send "$name\r"
        interact
    }
}

catch "wait -i $spawn_id" reason

# return status code of spawned process
exit [ lindex $reason 3 ]

#!/bin/bash -x

echo "Enter you name: "
read name


if [ $name == "damon" ];then
    echo "Hi,Damon!"
else
    echo "Oop! you are not my host!"
fi

#!/bin/bash -x

./bsim.exp 'bash expecttest.sh' damon
print "test finish.\n";

bash-3.00# ./test.sh
+ ./bsim.exp 'bash expecttest.sh' damon
spawn bash expecttest.sh
Enter you name:
damon
Hi,Damon!

#!/usr/bin/perl

@lines=`test.sh`

foreach (@lines){
    print $_."\n";
}

open OUT, "script|";
print while <OUT>;