1join(n)                      Tcl Built-In Commands                     join(n)
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NAME

8       join - Create a string by joining together list elements
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SYNOPSIS

11       join list ?joinString?
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DESCRIPTION

15       The  list  argument must be a valid Tcl list.  This command returns the
16       string formed by joining all of the  elements  of  list  together  with
17       joinString  separating  each adjacent pair of elements.  The joinString
18       argument defaults to a space character.
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EXAMPLES

21       Making a comma-separated list:
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23              set data {1 2 3 4 5}
24              join $data ", "
25                   → 1, 2, 3, 4, 5
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27       Using join to flatten a list by a single level:
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29              set data {1 {2 3} 4 {5 {6 7} 8}}
30              join $data
31                   → 1 2 3 4 5 {6 7} 8
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SEE ALSO

34       list(n), lappend(n), split(n)
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KEYWORDS

37       element, join, list, separator
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41Tcl                                                                    join(n)
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