Tcl7.6 User Commands Man Page -- concat (n)
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concat - Join lists together


concat ?arg arg ...?


This command treats each argument as a list and concatenates them into a single list. It also eliminates leading and trailing spaces in the arg's and adds a single separator space between arg's. It permits any number of arguments. For example, the command
concat a b {c d e} {f {g h}}
will return
a b c d e f {g h}
as its result.

If no args are supplied, the result is an empty string.


concatenate, join, lists

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