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  1. #!/usr/bin/perl -w
  2. ## Author: Alois Mahdal at zxcvb cz
  3. # just measuring one second.
  4. # This program is free software: you can redistribute it and/or modify
  5. # it under the terms of the GNU General Public License as published by
  6. # the Free Software Foundation, either version 3 of the License, or
  7. # (at your option) any later version.
  8. # This program is distributed in the hope that it will be useful,
  9. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. # GNU General Public License for more details.
  12. # You should have received a copy of the GNU General Public License
  13. # along with this program. If not, see <http://www.gnu.org/licenses/>.
  14. use warnings;
  15. use Time::HiRes qw|time|;
  16. use POSIX qw|modf|;
  17. sub stamp {
  18. my $time = shift;
  19. my ($sec, $min, $hour,
  20. $mday, $mon, $year,
  21. $wday, $yday, $isdst) = (localtime($time));
  22. return sprintf
  23. "%04i-%02i-%02i %02i:%02i:%02i.%05i",
  24. $year + 1900, $mon + 1, $mday,
  25. $hour, $min, $sec,
  26. ( modf $time)[0] * 100000;
  27. }
  28. while (1) {
  29. print stamp Time::HiRes::time();
  30. print "\n";
  31. sleep 1;
  32. }