global(3Tcl)							  global(3Tcl)

NAME    [Toc]    [Back]

     global - Access global variables

SYNOPSIS    [Toc]    [Back]

     global varname ?varname ...?

DESCRIPTION    [Toc]    [Back]

     This command is ignored unless a Tcl procedure is being interpreted.  If
     so	then it	declares the given varname's to	be global variables rather
     than local	ones.  For the duration	of the current procedure (and only
     while executing in	the current procedure),	any reference to any of	the
     varnames will refer to the	global variable	by the same name.

KEYWORDS    [Toc]    [Back]

     global, procedure,	variable


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