set man page on OpenDarwin

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

______________________________________________________________________________

NAME
       set - Read and write variables

SYNOPSIS
       set varName ?value?
_________________________________________________________________

DESCRIPTION
       Returns the value of variable varName.  If value is specified, then set
       the value of varName to value, creating a new variable if  one  doesn't
       already	exist,	and  return  its  value.   If varName contains an open
       parenthesis and ends with a close parenthesis, then  it	refers	to  an
       array  element:	 the  characters before the first open parenthesis are
       the name of the array, and the characters between the  parentheses  are
       the index within the array.  Otherwise varName refers to a scalar vari‐
       able.  Normally, varName is unqualified (does not include the names  of
       any  containing	namespaces), and the variable of that name in the cur‐
       rent namespace is read or written.  If varName includes namespace qual‐
       ifiers  (in the array name if it refers to an array element), the vari‐
       able in the specified namespace is read or written.

       If no procedure is active, then varName refers to a namespace  variable
       (global variable if the current namespace is the global namespace).  If
       a procedure is active, then varName refers  to  a  parameter  or	 local
       variable	 of  the  procedure  unless  the global command was invoked to
       declare varName to be global, or unless a variable command was  invoked
       to declare varName to be a namespace variable.

SEE ALSO
       expr(n), proc(n), trace(n), unset(n)

KEYWORDS
       read, write, variable

Tcl									set(n)
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