how to install expect in linux

Expect is a tool built on TCL to automate tasks that require interaction.Because expect is TCL-based, you need to have TCL installed in your systemHow to check?[Email protected] ~]# Whereis tclTcl:/usr/lib/tcl8.4/usr/share/tcl8.4If you do not see

Use expect to implement automatic logon script, there are many online, but there is no clear explanation, beginners are generally copied, collection. But why do you want to write this but do not know it. This article uses a shortest example to

Expect detailed The expect command is simply to implement tools that automatically interact in interactive software through its built-in commands. SSH can be used in conjunction with the Spawn command to achieve automatic SSH login. And because it

1, before using expect, need to install two RPM package, The code is as follows Copy Code # RPM-IHV expect-5.43.0-8.el5.i386.rpm# RPM-IHV expect-devel-5.43.0-8.el5.i386.rpm 2, the batch modifies the password

Expect is developed by Don Libes based on the Tcl language and is widely used in interactive operations and automated test scenarios, expect allows shell scripts to automate interactive communication without human intervention.The core function of

I. Introduction of ExpectExpect is a simple TCL-based scripting language tool, a software suite that enables automatic interaction, with the function of automating human-computer interaction, and the ability to "session" with an interactive program

Original address: http://www.nginx.cn/1934.htmlWhere the shell script needs to interact with the here document is the implementation, but some commands require the user to manually go on the interaction such as passwd, SCPIt is very painful to

Expect:is based onTcla relatively simple language for a free scripting toolused to implement automated and interactive task programs for communication without manual intervention. For example:ssh ftp , and so on, these programs normally need to

In shell development, when we connect to FTP or passwd or sudo, we need to enter the password manually. This is obviously inappropriate for automation. And expect's strong interaction model solves this problem. I am involved in this work, the

[Turn]http://www.knktc.com/2011/08/20/linux-shell-expect%e6%89%b9%e9%87%8fscp%e8%84%9a%e6%9c%ac%e5%b7%a5%e5%85%b7/ One of the most recent tasks in preparing a deployment is to send some files, such as installation packages, to a large number of