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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/concat.n | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/doc/concat.n b/doc/concat.n index d34d48c..23ecb2d 100644 --- a/doc/concat.n +++ b/doc/concat.n @@ -5,7 +5,7 @@ '\" 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 1.12 2008/10/17 10:22:25 dkf Exp $ +'\" RCS: @(#) $Id: concat.n,v 1.13 2009/04/27 12:31:38 dkf Exp $ '\" .so man.macros .TH concat n 8.3 Tcl "Tcl Built-In Commands" @@ -19,44 +19,40 @@ concat \- Join lists together .SH DESCRIPTION .PP This command joins each of its arguments together with spaces after -trimming leading and trailing white-space from each of them. If all the +trimming leading and trailing white-space from each of them. If all of the arguments are lists, this has the same effect as concatenating them into a single list. 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: +Although \fBconcat\fR will concatenate lists, flattening them in the process +(so giving the following interactive session): .PP .CS -\fBconcat\fR a b {c d e} {f {g h}} +\fI%\fR \fBconcat\fR a b {c d e} {f {g h}} +\fIa b c d e f {g h}\fR .CE .PP -will return -.QW "\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: +it will also concatenate things that are not lists, as can be seen from this +session: .PP .CS -\fBconcat\fR " a b {c " d " e} f" +\fI%\fR \fBconcat\fR " a b {c " d " e} f" +\fIa b {c d e} f\fR .CE .PP -will return -.QW "\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: +Note also that the concatenation does not remove spaces from the middle of +values, as can be seen here: .PP .CS -\fBconcat\fR "a b c" { d e f } +\fI%\fR \fBconcat\fR "a b c" { d e f } +\fIa b c d e f\fR .CE .PP -will return -.QW "\fBa b c d e f\fR" -(i.e. with three spaces between -the \fBa\fR, the \fBb\fR and the \fBc\fR). +(i.e., there are three spaces between each of the \fBa\fR, the \fBb\fR and the +\fBc\fR). .SH "SEE ALSO" -append(n), eval(n) +append(n), eval(n), join(n) .SH KEYWORDS concatenate, join, lists '\" Local Variables: |