Cutting characters in a variable Post: 302370579

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set

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 variable.	Normally, varName is unqualified  (does  not  include  the
       names of any containing namespaces), and the variable of that name in the current namespace is read or written.	If varName includes names-
       pace qualifiers (in the array name if it refers to an array element), the variable 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)