On Tue, 5 Sep 2000, Rick Teudt wrote:
> I am trying to figure out how to pass a command-line argument into an expect
> script.
>
> For example, suppose I have a script called update.exp. The first few lines
> of update.exp are as follows:
>
> #!/usr/bin/expect
>
> spawn $env(SHELL)
> expect "$ "
> send -- "telnet node$1\r"
> expect "login: "
> ...etc.
>
> I want to be able to execute the script from the command line with a single
> argument, and then use that argument as variable $1 in the script. So if I
> do this:
>
> $./update.exp 123
>
> the script will telnet to node123.
>
> The man pages suggest that this might be possible, but I haven't been able
> to make it work. If it matters, I'm using expect version 5.28.1.
>
> Any help would be appreciated.
>
> Rick Teudt
Yeah it is possible..
expect wants a tcl syntax. With tcl you can pass arguments to the
script but non with $1, $2 like in bash.....
The argument is stored in a variable named argv (see man expect for
details).
In your case you should only make the change $1---->$argv
I made something similar some time ago and it worked..
Some times between an expect and a send sequence you need to insert a
sleep command: this is because often the script send datas so quickly that
the spawned process is unable to get them... (I had a lot of trouble with
this :)) )
Bye
Marco
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