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cmdr::tty(n) 1 doc "Cmdr, a framework for command line parsing and dispatch"


cmdr::tty - Cmdr - Check if stdin is a tty, i.e. terminal

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  • package require Tclx
  • package require cmdr::tty


Welcome to the Cmdr project, written by Andreas Kupries.

For availability please read Cmdr - How To Get The Sources.

This package provides a single utility command testing if the stdout channel is a tty or not, and reporting the result.


::cmdr::tty stdout

When invoked this command returns a boolean value indicating if the stdout channel is a tty (true), or not (false).

Bugs, Ideas, Feedback

Both the package(s) and this documentation will undoubtedly contain bugs and other problems. Please report such at Cmdr Tickets.

Please also report any ideas you may have for enhancements of either package(s) and/or documentation.


arguments, command hierarchy, command line completion, command line handling, command tree, editing command line, help for command line, hierarchy of commands, interactive command shell, optional arguments, options, parameters, processing command line, tree of commands