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Diffstat (limited to 'doc/rename.n')
| -rw-r--r-- | doc/rename.n | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/doc/rename.n b/doc/rename.n index 2630ad4..96e0507 100644 --- a/doc/rename.n +++ b/doc/rename.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: rename.n,v 1.3 2000/09/07 14:27:51 poenitz Exp $ +'\" RCS: @(#) $Id: rename.n,v 1.4 2004/04/30 20:25:26 dkf Exp $ '\" .so man.macros .TH rename n "" Tcl "Tcl Built-In Commands" @@ -27,6 +27,20 @@ If \fInewName\fR is an empty string then \fIoldName\fR is deleted. If a command is renamed into a different namespace, future invocations of it will execute in the new namespace. The \fBrename\fR command returns an empty string as result. +.SH EXAMPLE +The \fBrename\fR command can be used to wrap the standard Tcl commands +with your own monitoring machinery. For example, you might wish to +count how often the \fBsource\fR command is called: + +.CS +rename ::source ::theRealSource +set sourceCount 0 +proc ::source args { + global sourceCount + puts "called source for the [incr sourceCount]'th time" + uplevel 1 ::theRealSource $args +} +.CE .SH "SEE ALSO" namespace(n), proc(n) |