execl --
replace current program with another, passing arguments in list
Syntax
execl [-argv0argv0] prog [arglist]
Description
Does an execl, replacing the current program
(either Extended Tcl or an application with Extended Tcl
embedded into it) with prog and passing the
arguments in the list arglist.
The -argv0 option specifies that argv0
is to be passed to the program as argv[0] rather
than prog.