Variable and array commands

Available commands are:

append(TCL)

appends data to a variable

array(TCL)

manipulates array variables

format(TCL)

formats a string in the style of sprintf

global(TCL)

accesses global variables

join(TCL)

creates a string by joining together list elements

rename(TCL)

renames or deletes a command

scan(TCL)

parses a string using conversion specifiers in the style of sscanf

set(TCL)

reads and writes variables

split(TCL)

splits a string into a proper Tcl list

string(TCL)

manipulates strings

tclvars(TCL)

describes global variables used by Tcl

unset(TCL)

deletes variables

upvar(TCL)

creates a link to a variable in a different stack frame