The article mentions how prominent Tcl is in EDA, but the other big user I'm aware of is as the scripting tool of choice for Cisco's IOS (as of 10 years ago, no

The article mentions how prominent Tcl is in EDA, but the other big user I'm aware of is as the scripting tool of choice for Cisco's IOS (as of 10 years ago, not sure if that's still true today).