27 Feb In the previous post, we talked about writing practical shell scripts and we saw how it is easy to write a shell script. Today we are going to talk about a tool that does magic to our shell scripts, that tool is the Expect command or Expect scripting language. Expect command or. One possiblity is: create an expect-syntax file, and call that via a shell script: #!/ bin/bash expect -f madstadmotors.com $1 # parameter 1 is the server. After doing spawn on the openssh-client installation, then you have to expect for something so that expect will wait for that. Else, expect won't.
Here is a simple replacement for expect. A number of people have asked how this is done, and inspired by Sun's example I showed in Hints and Tips which is. 16 Dec Instructions and examples for using the command expect, a program There are a variety of reasons why the shell cannot perform these tasks. Empty — expect-like utility to run interactive commands in the UNIX shell-scripts; sexpect — Another Expect implementation designed in.
Alternatively, make sure you have execute permission set on the Expect script, and run it as would any shell script; without explicitly specifying the expect. Following the script, Expect knows what can be expected from a program and what The command should be quoted to prevent being broken up by the shell. Once you have told expect to send the password, it has nothing to do so it stops and kills the sftp. Add a wait for end-of-file from the spawned.