suse man page for rename

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

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NAME
       rename - Rename or delete a command

SYNOPSIS
       rename oldName newName
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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)