'clock milliseconds, which replaces clock clicks -milliseconds in Tcl 8.5beta, returns the current time as an integer number of milliseconds.
[Eventually, I suspect someone will come along and document the vagarities of Tcl's clock milliseconds subcommand.] Errr, no such command exists. Perhaps you mean [clock clicks -milliseconds]? -FW
jmn [clock milliseconds] certainly exists in Tcl 8.5a4 at least. [L1 ]