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concat.n
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1994-05-08
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'\"
'\" Copyright (c) 1993 The Regents of the University of California.
'\" All rights reserved.
'\"
'\" Permission is hereby granted, without written agreement and without
'\" license or royalty fees, to use, copy, modify, and distribute this
'\" documentation for any purpose, provided that the above copyright
'\" notice and the following two paragraphs appear in all copies.
'\"
'\" IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
'\" FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
'\" ARISING OUT OF THE USE OF THIS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
'\" CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
'\"
'\" THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
'\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
'\" AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
'\" ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
'\" PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
'\"
'\" $Header: /user6/ouster/tcl/man/RCS/concat.n,v 1.2 93/10/28 16:19:07 ouster Exp $ SPRITE (Berkeley)
'\"
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.HS concat tcl
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
concat \- Join lists together
.SH SYNOPSIS
.VS
\fBconcat\fI \fR?\fIarg arg ...\fR?
.VE
.BE
.SH DESCRIPTION
.PP
This command treats each argument as a list and concatenates them
into a single list.
It also eliminates leading and trailing spaces in the \fIarg\fR's
and adds a single separator space between \fIarg\fR's.
It permits any number of arguments. For example,
the command
.DS
\fBconcat a b {c d e} {f {g h}}\fR
.DE
will return
.DS
\fBa b c d e f {g h}\fR
.DE
as its result.
.PP
.VS
If no \fIarg\fRs are supplied, the result is an empty string.
.VE
.SH KEYWORDS
concatenate, join, lists