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rename(n)                                   Tcl Built-In Commands                                  rename(n)



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NAME
       rename - Rename or delete a command

SYNOPSIS
       rename oldName newName
____________________________________________________________________________________________________________


DESCRIPTION
       Rename the command that used to be called oldName so that it is now called newName.  If newName is an
       empty string then oldName is deleted.  oldName and newName may include namespace qualifiers (names of
       containing namespaces).  If a command is renamed into a different namespace, future invocations of it
       will execute in the new namespace.  The rename command returns an empty string as result.

EXAMPLE
       The rename 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 source command is called:
              rename ::source ::theRealSource
              set sourceCount 0
              proc ::source args {
                  global sourceCount
                  puts "called source for the [incr sourceCount]'th time"
                  uplevel 1 ::theRealSource $args
              }


SEE ALSO
       namespace(n), proc(n)


KEYWORDS
       command, delete, namespace, rename



Tcl                                                                                                rename(n)