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OpenDarwin 7.2.1 - man page for global (opendarwin section n)

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global(n)			      Tcl Built-In Commands				global(n)


       global - Access global variables

       global varname ?varname ...?

       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.  Global  vari-
       ables  are  variables  in the global namespace.	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.

       namespace(n), upvar(n), variable(n)

       global, namespace, procedure, variable

Tcl											global(n)
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