join(n) osx man page | unix.com

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

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NAME
       join - Create a string by joining together list elements

SYNOPSIS
       join list ?joinString?
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DESCRIPTION
       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.

EXAMPLES
       Making a comma-separated list:
	      set data {1 2 3 4 5}
	      join $data ", "
		   -> 1, 2, 3, 4, 5

       Using join to flatten a list by a single level:
	      set data {1 {2 3} 4 {5 {6 7} 8}}
	      join $data
		   -> 1 2 3 4 5 {6 7} 8

SEE ALSO
       list(n), lappend(n), split(n)

KEYWORDS
       element, join, list, separator

Tcl																	   join(n)