Tcl Help - 2021.2 English

help – Returns a list of Tcl command categories.

help

Command categories are groups of commands performing a specific function, like File I/O for instance.

help -category category – Returns a list of commands found in the specified category.

help -category object

This example returns the list of Tcl commands for handling objects.

help pattern – Returns a list of commands that match the specified search pattern. This form can be used to quickly locate a specific command from a group of commands.

help get_*

This example returns the list of Tcl commands beginning with get_.

help command – Provides detailed information related to the specified command.

help get_cells

This example returns specific information of the get_cells command.

help -args command – Provides an abbreviated help text for the specified command, including the command syntax and a brief description of each argument.

help -args get_cells

help -syntax command – Reports the command syntax for the specified command.

help -syntax get_cells