NAME
append - Append to variable
SYNOPSIS
append varName ?value value value ...?
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DESCRIPTION
Append all of the value arguments to the current value of
variable varName. If varName doesn't exist, it is given a
value equal to the concatenation of all the value argu
ments. This command provides an efficient way to build up
long variables incrementally. For example, ``append a
$b'' is much more efficient than ``set a $a$b'' if $a is
long.
SEE ALSO
concat(n), lappend(n)
KEYWORDS
append, variable
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