Comment by elhosots

But the tcl consoles allow you an escape from the cad tool vendor’s (usually marginal and restricted) ui, including the ability to call/invoke other shell scripts and programming languages. From this perspective, your required use of tcl is quite minimal, generally giving you full access to the power of the underlying unix with minimal tcl effort. Ive used this mechanism for my own gui extensions such as cross-probing and invoking other vendor simulations and checks - for me, quite useful