Using Expect for Linux

rkeng · 08-01-2003, 05:58 PM

How do I use Expect to send and receive strings for a serial
device connected to /dev/ttyS0?

I'm using Red Hat 7.5 running
on a Pentium IV based machine.

RolledOat · 08-01-2003, 08:45 PM

You are going to have a very hard time unless the strings that are sent/received are always constant. If it is a completely static format kind of give and take (like FTP, <suppress verbose>, cd <dir>, mget *, exit would be) , then autoexpect.

autoexpect
do all the commands, example, telnet, ssh, ftp, etc
exit

script created called script.exp. It will do, and EXPECT everything you just did.

RO

man autoexpect
and google on autoexpect

slapNUT · 08-01-2003, 09:01 PM

There are a lot of examples here, maybe one will help.