Hi Paul,
Sounds like you need a Call-Back from the expect-script
which will pass the info back to the Perl script. This more than
likely means that you will have to edit the expect-script.
regards
SunDog
============================================================
At 05:37 PM 9/8/01 -0600, you wrote:
>Dear fellow Perl afficionados,
>
>I have run into a bit of a puzzler, wondered if anyone might have anywhere
>to point me on this one:
>
>I want my Perl script to INTERACT multiple times with another process, in
>this case an Expect script.
>
>Allow me to explain: Typically, I have written scripts where the Perl script
>calls the Expect script with
>
>system (/dir/expect-script arguments-to-pass-to-expect-script);
>
>This is a ONE way, ONE-time conversation, as opposed to an interaction. The
>Perl script talks to the Expect script only ONCE in the line above, passing
>the arguments to the Expect script and executing the Expect script using
>the "system" call. After that one-way conversation (Perl>Expect), nothing
>happens until the Expect script finishes, then Perl continues on, never
>talking to that process again.
>
> In a new script I am creating, the Perl script needs to talk with the
>Expect script more than once, in fact, a conversation needs to be carried
>out between the scripts (I guess that would be called a conversation between
>processes). Unlike my original script above, the new Perl script will not
>just start the process (Expect script) and wait until it's done, but rather
>get info from it, parse that info, select a certain piece X from it, and
>send X back so the Expect script can continue, and so forth, until the
>Expect script is done, and THEN Perl will continue on as normal.
>
>I thought about using the sleep function in Perl, since Expect also has it,
>and have each process (script) sleep for a second or two while the other one
>processes the info it has to pass back to the other script, however that
>sounds like a clusterflub of sleeps with an accident waiting to happen.
>There must be an easier way.
>
>Since I am really a Perl programmer, I am really trying to avoid making all
>the parsing in the Expect script. I don't even know if Expect can parse as
>well, and as easily, as Perl, and I'd rather avoid that whole ball of wax.
>
>Can anyone point me in the right direction? Thank you so much in advance
>for sharing a bit of your expertise, and have a great weekend!
>
>Paul Jasa
>
>
>
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