[frgeek-michiana] Tcl / Expect problem resolved
- From: Tom Brown <tbrown@xxxxxxxxxxxx>
- To: FreeGeek Michiana <frgeek-michiana@xxxxxxxxxxxxx>
- Date: Sun, 24 Dec 2006 19:45:04 -0500
Goose:
I found the source of the Expect problem I mentioned last Thursday:
The remote server is not included in the local Apache user's
.ssh/known-hosts file and can't authenticate. My Expect script wasn't
designed to recognize and handle an authentication exchange so it
bombed (timed out).
The Tcl "exec" command allows redirecting standard output and
standard error to a log file so I added that as an argument to the
exec command string. After reading the log, I knew immediately what
to do -- add the Expect commands to automate authentication for the
remote login, and Bob's your uncle.
I can't praise the Tcl community enough for what they've created. I
plan on publishing the code for the application on either FGM's web
site or on MichianaGeeks.net as soon as the app is in production.
The current buzz word in Silicon Valley is "Web 2.0." The Tcl
community had all the tools for Web 2.0 by 1995. Nobody knew because
Sun Microsystems cut the project loose in favor of Java, which they
thought would be a cash cow. I think Sun bet on the wrong horse...er, cow.
Tom
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