Expect: Modify Ctrl-C Behavior

Question

While exec is running a program, I would like Ctrl-C to terminate the program and resume the script, instead of killing the script. What's the best way of accomplishing that?

Answer 1

See if this works: package require Tclx

If it can, then you can trap signals with the signal command.

Answer 2

I ended up running the program using exec and using expect's trap command to intercept SIGINT. The subprogram is still terminated (in fact, there may not be a way to avoid this is using exec), but by using trap and a catch around exec, the tcl script can continue executing.