This chapter describes the
send command that invokes Tcl commands in other applications. This chapter also presents an alternative to
send that uses network sockets.
send command lets Tk applications on the same display send each other Tcl commands and cooperate in very flexible ways. A large application can be structured as a set of smaller tools that cooperate instead of one large monolith. This encourages reuse, and it exploits your workstation's multiprogramming capabilities.
send facility provides a name space for Tk applications. The
winfo interps command returns the names of all the Tk applications reachable with
send communication mechanism is limited to applications running on one display. Multiple screens ...