join - Create a string by joining together list elements
join list ?joinString?
The list argument must be a valid Tcl list.
This command returns the string
formed by joining all of the elements of list together with
joinString separating each adjacent pair of elements.
The joinString argument defaults to a space character.
element, join, list, separator
Copyright © 1993 The Regents of the University of California.
Copyright © 1994-1996 Sun Microsystems, Inc.
Copyright © 1995-1997 Roger E. Critchlow Jr.