<HTML><HEAD><TITLE>Built-In Commands - time manual page</TITLE></HEAD><BODY> <H3><A NAME="M2">NAME</A></H3> time - Time the execution of a script <H3><A NAME="M3">SYNOPSIS</A></H3> <B>time </B><I>script</I> ?<I>count</I>?<BR> <H3><A NAME="M4">DESCRIPTION</A></H3> This command will call the Tcl interpreter <I>count</I> times to evaluate <I>script</I> (or once if <I>count</I> isn't specified). It will then return a string of the form <PRE><B>503 microseconds per iteration</B></PRE> which indicates the average amount of time required per iteration, in microseconds. Time is measured in elapsed time, not CPU time. <H3><A NAME="M5">SEE ALSO</A></H3> <B><A HREF="../TkCmd/clock.htm">clock</A></B> <H3><A NAME="M6">KEYWORDS</A></H3> <A href="../Keywords/S.htm#script">script</A>, <A href="../Keywords/T.htm#time">time</A> <HR><PRE> <A HREF="../copyright.htm">Copyright</A> © 1993 The Regents of the University of California. <A HREF="../copyright.htm">Copyright</A> © 1994-1996 Sun Microsystems, Inc. <A HREF="../copyright.htm">Copyright</A> © 1995-1997 Roger E. Critchlow Jr.</PRE> </BODY></HTML>