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

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


       append - Append to variable

       append varName ?value value value ...?

       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  arguments.
       The result of this command is the new value stored in variable varName.	This command pro-
       vides 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.

       concat(n), lappend(n)

       append, variable

Tcl											append(n)
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