Package tcl

Tool Command Language, pronounced tickle

http://tcl.sourceforge.net/

The Tcl (Tool Command Language) provides a powerful platform for
creating integration applications that tie together diverse
applications, protocols, devices, and frameworks. When paired with the
Tk toolkit, Tcl provides a fastest and powerful way to create
cross-platform GUI applications. Tcl can also be used for a variety
of web-related tasks and for creating powerful command languages for
applications.

General Commands (Section 1)
tclsh
Tclsh is a shell-like application that reads Tcl commands from its standard input or from a file and evaluates them. If invoked with no arguments then it runs...