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'\"
'\" Copyright (c) 1993 The Regents of the University of California.
'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: concat.n,v 1.8 2007/10/25 14:07:32 dkf Exp $
'\"
.so man.macros
.TH concat n 8.3 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
concat \- Join lists together
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'\"
'\" Copyright (c) 1993 The Regents of the University of California.
'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: concat.n,v 1.9 2007/10/26 20:11:52 dgp Exp $
'\"
.so man.macros
.TH concat n 8.3 Tcl "Tcl Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
concat \- Join lists together
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It permits any number of arguments;
if no \fIarg\fRs are supplied, the result is an empty string.
.SH EXAMPLES
Although \fBconcat\fR will concatenate lists (so the command:
.CS
\fBconcat\fR a b {c d e} {f {g h}}
.CE
will return
.QW "\fBa b c d e f {g h}\fR"
as its result), it will also
will return
.QW "\fBa b {c d e} f\fR"
as its result.
will return
.QW "\fBa b c d e f\fR"
(i.e. with three spaces between the
.QW \fBa\fR ,
the
.QW \fBb\fR
and the
.QW \fBc\fR ).
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It permits any number of arguments;
if no \fIarg\fRs are supplied, the result is an empty string.
.SH EXAMPLES
Although \fBconcat\fR will concatenate lists (so the command:
.CS
\fBconcat\fR a b {c d e} {f {g h}}
.CE
will return "\fBa b c d e f {g h}\fR" as its result), it will also
concatenate things that are not lists, and hence the command:
.CS
\fBconcat\fR " a b {c " d " e} f"
.CE
will return "\fBa b {c d e} f\fR" as its result.
.PP
Note that the concatenation does not remove spaces from the middle of
its arguments, so the command:
.CS
\fBconcat\fR "a b c" { d e f }
.CE
will return "\fBa b c d e f\fR" (i.e. with three spaces between
the \fBa\fR, the \fBb\fR and the \fBc\fR).
.SH "SEE ALSO"
append(n), eval(n)
.SH KEYWORDS
concatenate, join, lists
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