P:\test>perl -MTime::HiRes=time -wle"print time for 1 .. 10"
1118814859.12534
1118814859.12551
1118814859.12558
1118814859.12566
1118814859.12573
1118814859.1258
1118814859.12587
1118814859.12594
1118814859.12602
1118814859.12609

##</code><code>##

P:\test>perl -MTime::HiRes=time -de1
perldb: Must not source insecure rcfile ./perldb.ini.
        You or the superuser must be the owner, and it must not
        be writable by anyone but its owner.

Loading DB routines from perl5db.pl version 1.25
Editor support available.

Enter h or `h h' for help, or `perldoc perldebug' for more help.

main::(-e:1):   1
  DB<1> print time . $/ for 1 .. 20;;
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.6875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.71875
1118815107.73438

  DB<2>