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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2004-05-18 21:13:40 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2004-05-18 21:13:40 (GMT) |
| commit | 8f44551e03712b6046cecdfc9e8ce0ba1b4a5225 (patch) | |
| tree | ab8e837c611fca31f791d3d2654766dd17df4573 /doc/append.n | |
| parent | ef2d20c14f37350d6124e97746465aba1ad7dd3d (diff) | |
| download | tcl-8f44551e03712b6046cecdfc9e8ce0ba1b4a5225.zip tcl-8f44551e03712b6046cecdfc9e8ce0ba1b4a5225.tar.gz tcl-8f44551e03712b6046cecdfc9e8ce0ba1b4a5225.tar.bz2 | |
Added example
Diffstat (limited to 'doc/append.n')
| -rw-r--r-- | doc/append.n | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/append.n b/doc/append.n index 5f1a3c7..d829c71 100644 --- a/doc/append.n +++ b/doc/append.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: append.n,v 1.4 2003/02/10 13:32:22 dkf Exp $ +'\" RCS: @(#) $Id: append.n,v 1.5 2004/05/18 21:13:40 dkf Exp $ '\" .so man.macros .TH append n "" Tcl "Tcl Built-In Commands" @@ -29,6 +29,16 @@ This command provides an efficient way to build up long variables incrementally. For example, ``\fBappend a $b\fR'' is much more efficient than ``\fBset a $a$b\fR'' if \fB$a\fR is long. +.SH EXAMPLE +Building a string of comma-separated numbers piecemeal using a loop. +.CS +set var 0 +for {set i 1} {$i<=10} {incr i} { + append var "," $i +} +puts $var +# Prints 0,1,2,3,4,5,6,7,8,9,10 +.CE .SH "SEE ALSO" concat(n), lappend(n) |