How can I use bind variables in an expect script

[RonBigman]

Hi
I am writing an expect script and I wish to use environment variables that are defined outside of the script.

How can I do that?

Thanks
Ron

[rafatmb]

Try to use export $variable

Take a look at this doc at section 3.2.3

[RonBigman]

Hi
thank you for your reply.
Are you talking about using export outside the exp script? because I tried it and it doesn't work.

This is what I am trying to do:
I have the following files:
test.sh:
echo user
read test
echo connected:$test
test.exp:
spawn ./test.sh
expect "user\r"
send "$TEST\r"
expect "connected"


TEST is an environment variable, defined in my shell and I wish to use it in my test.exp script file.

I receive the following error
"can't read "TEST": no such variable"



Thanks
Ron

[rafatmb]

Well, if I understood well, try this:


The exp.sh has the following lines (just to test):

#!/bin/bash
echo $TESTEVAR

On shell:

# export TESTEVAR="112233"
# ./exp.sh
112233

[RonBigman]

Hi
I not trying to use environment variables within a shell script, but from an expect script.

[rcgreen]

In your shell script it is $test but in the
expect script it is $TEST Is this a typo?

[RonBigman]

These are 2 different variables.
By mistake I gave them similar names but it's not important.

The TEST variable is predefined by me.
The expect script is the one that I wish to use in order to run a shell script.

expect is used to run programs and automatically enter data for them.

In my example test.exp is the expect file that is meant to run a program called test.sh.

In test.exp I wish to use envrionment variables that I define in my shell script